A comprehensive review of the health benefits of smoking Tobacco

Smoking is surely detrimental to one’s health, right?  People are often bombarded with warnings about the negative effects of smoking and are persuaded to quit by health authorities. It has even got to the point now where people are being deprived of access to healthcare services if they smoke, and this is on the grounds that ‘smoking will delay the onset of healing and may aggravate one’s pre-existing condition’. 

According to the World Health Organisation:

“the tobacco epidemic is one of the biggest public health threats the world has ever faced, killing around 6 million people a year. More than 5 million of those deaths are the result of direct tobacco use while more than 600 000 are the result of non-smokers being exposed to second-hand smoke” 

But like any other idea frequently promulgated by the established health authorities, it is wise to question whether there is actually any truth to it. Bear in mind, it is these same authorities which recommend a low-fat, high carbohydrate diet (and we have seen how detrimental that has been on the health of the general population). It is also those same people who would recommend treating chronic illness with synthetic pharmaceutical drugs, or complete removal of entire organs (again, clearly not a successful approach). Anyone who pays attention can quite clearly see that the the authorities clearly don’t care about the health of the people, and are more concerned with profits. So it is now time to begin questioning whether tobacco is really ‘all that bad’. 

A different perspective

This article doesn’t aim to analyse each and every study that has been published on the smoking-lung cancer connection, because that is simply not it’s purpose. Quite frankly, there is so much information available on the topic that I would need to write a whole book to include every detail. Fortunately, several books have already dealt with the subject extensively, so for those who would like to conduct some in-depth research into the evidence, I will refer you to Smoke Screens: The Truth About Tobacco by Richard White, In Defense of Smokers by Lauren A. Colby, and The Smoking Scare De-bunked by Dr William T. Whitby.

Instead, I would like to briefly touch upon some of the main issues surrounding the “lung cancer-myth”, and then to progress onto a more in-depth and objective examination of tobacco’s effects on the human body. 
In many avenues of daily life, we often hear the line “smoking causes cancer!”. The question is… Does Tobacco really cause cancer, or is it simply associated with it? Orwellian campaigners and anti-smoking fascists would happily have you believe that the smoking-causes-cancer theory is universally accepted among all scientific disciplines. Interestingly enough, it’s not. There have actually been several prominent figures in science who have openly condemned, questioned, and opposed this theory.

Here are a couple of quotes from Whitby’s ‘The Smoking Scare Debunked’1

“No ingredient of cigarette smoke has been shown to cause human lung cancer”, and “no-one has been able to produce lung cancer in laboratory animals from smoking.”

Professor Schrauzer, President of the International Bio-inorganic Chemists 


“It is fanciful extrapolation – not factual data.” He also said, “The unscientific way in which the study was made bothers us most. The committee agreed first that smoking causes lung cancer and then they set out to prove it statistically.” (U.S. Congressional Record.)

– Professor M.B. Rosenblatt, New York Medical College


“The belief that smoking is the cause of lung cancer is no longer widely held by scientists”, and “Smoking is no longer seen as a cause of heart disease except by a few zealots.”

 Professor Sheldon Sommers, New York Academy of Medicine and Science


“The natural experiment(referring to a rise in lung cancer when people were unable to smoke)shows conclusively that the hypothesis must be abandoned.”

– Dr. B. Dijkstra, University of Pretoria 


“As a scientist I find no persuasive evidence that cigarette smoking causes lung cancer.”

– Dr. Ronald Okun, director of Clinical Pathology, LA 


“After years of intensive research no compound in cigarette smoking has been established as a health hazard.”

– Professor Charles H. Hine, University of California 

The two main studies at the foundation of the smoking-cancer myth are the ‘Doll and Hill’ study and the ‘Whitehall’ study. To briefly summarise the findings: Doll and Hill found a slightly increased risk of lung cancer in smokers when compared to non-smokers. The results of this particular study were widely publicised and were one of the main drivers behind the whole ‘anti-smoking’ campaign that came shortly afterward. However, what Doll and Hill failed to publicly mention was that their results actually showed that smokers who inhaled the smoke were at a significantly decreased risk compared to smokers who didn’t inhale2 . Presumably, this detail was left out because it didn’t support the theory that they were trying to prove. Next up, the results of the Whitehall study went like this: people who gave up smoking showed no improvement in life expectancy, there were also no changes in death caused by heart disease, lung cancer, or other causes.  The only exception was that certain types of cancer were more than twice as common in people who gave up smoking. Nevertheless, these inconvenient facts were hidden beneath a load of technical jargon which makes the report difficult to read.  It seems that back then, there was an agenda to demonise smoking so the interpretation of the data was twisted in such a way that smoking tobacco would take the blame.

There have been many pieces of research in the past that have identified correlations between smoking and lung cancer.  The problem is, researcher bias often comes into play here. Basically, researchers who are aiming to confirm an original hypothesis are more likely to unconsciously misinterpret the data. Since funding is involved in research, there may also be pressure ‘from above’ to present a specific conclusion to the public, even though the results proved to be different. With tobacco research, this is usually the case it seems. The author’s conclusion of the study often bares little or no resemblance to the actual findings. 

Instead of data being reported back to the public in its raw form, reports can be skewed and manipulated beforehand to imply causation. It must be understood that there is a stark difference between (1) identifying a correlation between two factors, and  (2) identifying the cause of a thing. Its quite simple to identify correlations and associations, for example: There is a significant correlation between basketball players and being tall. Does this mean that playing basket ball causes people to grow taller? Clearly not. Mexican lemon imports are also inversely correlated with highway deaths in the US. Does this mean that importing lemons prevents deaths on the highway? No, of course it doesn’t. It would be ludicrous to suggest otherwise. This is why correlation can never imply causation. Unfortunately however, when it comes to tobacco, this rule apparently does not apply. The truth is, no study has ever managed to conclusively prove smoking directly as the cause of lung cancer, heart disease, nor emphysema.

For several years now, biased scientists with personal agendas have approached this subject with vested interests in certain outcomes, namely that smoking causes cancer. There is also an abundance of evidence suggesting that these same individuals have intentionally misinterpreted data in order to further their own personal goals and aspirations. These twisted interpretations of data have been publicised en-mass by media and public health giants ever since. So despite the increasing number of studies suggesting otherwise, the common belief that smoking causes cancer has become thoroughly ingrained in the minds of almost everyone in society. It is therefore likely that the majority of the scientific community also operate under this faulty assumption, and so the implications are that the quality of scientific research into this area has been, and will be, undoubtedly skewed.

In spite of this, there is some fascinating research that has been published in the past 30 years on tobacco and smoking. Unsurprisingly, these data were not publicly made widely available and the majority of people are completely unaware of the findings. Hence, I have attempted to briefly summarise some pertinent studies below.

First of all, one recent study showed that people with a diet high in GI (glycemic index) foods (such as breads, pastas and rice) were almost 50% more likely to develop lung cancer. Within these results, non-smokers were found to be twice as likely to develop the cancer when compared with smokers. This finding alone could be explained as simply being anomalous, but as we move one through the evidence base you may begin to see how it fits into the bigger picture. It appears from the research that smoking tobacco may actually act as a protective measure against external disease-causing agents. 

There was another studythat measured the carcinogenic effects of radon after radioactive uranium ore dust was inhaled by dogs. Paradoxically, unlike the usual fatalities witnessed in other dogs during similar experiments, none of the dogs exposed to tobacco contracted cancer. The author stated “exposure to cigarette smoke was found to have a mitigating effect on radon daughter-induced tumors”. Similarly an experiment4 on irradiated rats showed that those who smoked and were irradiated showed significantly less inflammation in the lungs than those who did not smoke. In many ways, the smoking group resembled the non-irradiated controls. According to the author “this experimental study further supported the suppressive effect of smoking on radiation-induced pneumo-nitis.
In human research, one analysis5 showed that the risk of developing lung cancer from asbestos exposure was “significantly increased in non-smokers in six of the studies [reviewed]”. Another study6 suggested that the risk of developing lung cancer from asbestos exposure is approximately three times higher in non-smokers than it is in smokers. After breast cancer radiotherapy treatment, smokers have also been observed7 to display a “significantly decreased inflammatory reaction i.e., reduced levels of mast cells and lymphocytes, compared to both non-smoking controls and patients”. Are these results simply coincidental, or did smoking erect a protective barrier against radiation damage and asbestos?

Smoking may also protect against other kinds of environmental pollution, such as exhaust fumes. A recent study8 on miners showed a strong link between diesel engine exhaust fume exposure and lung cancer. The results demonstrated that miners who were heavily exposed have three times the higher risk of dying from lung cancer compared with miners with low exposure. Whereas for non-smokers, the risk was seven times higher.

Deconstructing the Lung cancer myth

According to the World Health Organisation9 “Tobacco use is the single most important risk factor for cancer causing… around 70% of global lung cancer deaths.” Examining the statistics paints a slightly different picture however, and it becomes clear that this statement is simply not true.


Above are statistics provided by the World Economic Forum with data collected showing the countries that smoke the most cigarettes per capita. If smoking is the cause of 70% of all lung cancer cases globally, then it would make sense that the lung cancer statistics match up with the results on this table. For example China, Russia, USA, Indonesia and Japan should theoretically have the highest rates of lung cancer because they have the highest rate of smoking. Except they don’t.


Interestingly, the above lung cancer statistics taken from the World Cancer Research Fund International only feature one of the countries said to have the highest smoking rate, and that’s the USA.  If smoking was the predominant cause of lung cancer, this would show in the populations with the highest rates of smoking. Since it does not, it is safe to assume that smoking cannot be the main cause of lung cancer. 

The Black Lung Lie

Another common misconception surrounding smoking tobacco is that the smoke in-and-of-itself is capable of turning lung tissue black. This feat is actually physically impossible, however. The lung tissue can only turn black when it is either cancerous or necrotic, or when significant amounts of elemental carbon is inhaled for prolonged periods of time. Where can you find elemental carbon? In coal mines, not in cigarettes. And guess what? Surgeons are unable to tell the difference between smoker’s lungs and non-smokers lungs. 

Here are some first hand accounts from professionals working from within the field of medicine10:

Smoking does not discolour the lung.” – Dr. Duane Carr, Professor of Surgery at the University of Tennessee College of Medicine


I have examined thousands of lungs both grossly and microscopically. I cannot tell you from examining a lung whether or not its former host had smoked.” -Dr. Victor Buhler, Pathologist at St. Joseph Hospital in Kansas City 


…it is not possible grossly or microscopically, or in any other way known to me, to distinguish between the lung of a smoker or a nonsmoker. Blackening of lungs is from carbon particles, and smoking tobacco does not introduce carbon particles into the lung. – Dr. Sheldon Sommers, Pathologist and Director of Laboratories at Lenox Hill Hospital, New York

Finally, here is a quote from Richard White’s Smoke Screens11:

“This notion of smoking causing the lungs to turn black can be traced back to 1948. Ernst Wynder, then a first-year medical student in St Louis, was witness to an autopsy of a man who had died of lung cancer and he noted the lungs were blackened. The sight roused his curiousity and he looked into the background of the patient – discovering that there was no obvious exposure to air pollution, but that the deceased had smoked two packs of cigarettes a day for thirty years, he linked the two. Wynder then spent his career ‘proving’ cigarettes caused cancer, although he was forced to admit the data he had compiled was inaccurate (Wynder later published books containing slides of black, cancerous lungs, leading people to assume it was smoking that caused it. He later admitted he was wrong, though.”

The Health benefits of Tobacco

The Nicotine Molecule ~ Dreamstime

Nicotine is one of the main components of tobacco and displays a wide variety of healing properties, hence why it is currently the subject of some fascinating new scientific research. To truly appreciate the benefits of nicotine however, we must first examine it’s primary mechanisms of action. Nicotine is the protoypic agonist of the nicotinic subtype of acetylcholine rectopors. What this basically means is that nicotine is compatible with acetylcholine receptors in the body and has the ability to bind to them. This action is responsible for triggering a cascade of chemical reactions, although it’s main effect is to stimulate the release of a wide variety of neurotransmitters including dopamine, serotonin, noradrenaline and primarily acetylcholine. According to Dr Gabriela Segura12 “Acetylcholine is a neurotransmitter responsible for learning and memory. It is also calming, relaxing and is also a major factor regulating the immune system. Acetylcholine also acts as a major brake on inflammation in the body and inflammation is linked to every known disease.” When nicotine binds to α7 nAChR (acetylcholine receptors tied to immunity), it activates a system known as the ‘cholinergic anti-inflammatory pathway’ which is responsible for decreasing inflammation in the body. Therefore, nicotine is actually an anti-inflammatory molecule.

The paper13 titled “Nicotine, an anti-inflammation molecule” deals with this topic extensively. According to the paper: Nicotine stimulation plays a key role in suppressing cytokine production, can significantly down-regulate and delay inflammatory and autoimmune responses in the central nervous system, and could further attenuate neuro-inflammation. Nicotine treated mice injected with lethal doses of influenza A virus infection also displayed longer survival rates when compared to control groups. The author finally states:

These in vitro and in vivo results further confirmed the anti-inflammatory effect of nicotine. Our study offered the first evidence that the anti-inflammatory effect of nicotine in cigarette smoke might be the key contributor for the alleviation of the disease severity of both pdmH1N1 and H9N2 influenza A virus infection, and such anti-inflammatory effect was through the α7 nAChR signaling pathway.”

Considering the beneficial influence of acetylcholine on the brain and nervous system, lets take a look at how smoking affects brain function.

A commonly known fact amongst cognitive psychologists and neuroscientists is that nicotine significantly increases cognitive functioning. The U.S, government published a meta-analysis study14 in 2010 which reviewed all of the literature on nicotine’s effect on the brain which was conducted by the National Institute on Drug Abuse. Out of a total of 256, 48 of the highest quality standardised computer test studies were chosen for review. On these tests, half of the participants received nicotine and the other half were given a placebo. The results showed that people who received nicotine performed better on almost every test despite whether they were smokers or not,  and this was especially in areas of memory, speed, precision, focus and attention. The study also showed that nicotine users performed significantly better in other areas such as long-term memory, semantic memory, arithmetic & complex calculations, and gross motor skills.

Nicotine is clearly very beneficial for cognitive function, but when compared to smoking we can see that nicotine simply isn’t as effective. A study15 conducted by Warburton et al found:

[Smoke-free] nicotine produces improvements in mental efficiency, which are qualitatively similar to the improvements produced by smoking, although our findings on vigilance and rapid information processing indicate that the improvements are quantitatively smaller than those produced by smoking

Another study16 published in 2014 showed that an increase in nicotine receptors (induced by smoking) was associated with lower levels of social withdrawal and better cognitive function. There is actually a wealth of information on nicotine’s favourable physiological effects which can be retrieved from scientific data alone, yet none of this information manages to filter through to the public eye. However, this should not be surprising for those who understand how often mainstream media and Big Pharma effectively distort or suppress information which is not conducive to the official narrative they are attempting to convey.

Finally, to quote researcher David. M. Warburton from the Department of Psychology at the University of Reading17:

1.Nicotine improves attention in a wide variety of tasks in healthy volunteers.

2.Nicotine improves immediate and longer term memory in healthy volunteers.

3.Nicotine improves attention in patients with probable Alzheimer’s Disease.

4.While some of the memory effects of nicotine may be due to enhanced attention, others seem to be the result of improved consolidation as shown by post-trial dosing. 

Now lets take a look at some of the other potentially therapeutic and beneficial aspects of the tobacco plant…

Mono Amine Oxidase Inhibition

Monoamine oxidases (MAO’s) are enzymes in the body that are responsible for degrading biogenic amine neurotransmitters such as Noradrenaline (Norepinephrine), Serotonin and Dopamine. Mono amine oxidase inhibitors (MAOI’s) are chemicals that inhibit the action of these enzymes to increase the availability and quantity of the biogenic amines. For this reason, MAOI containing drugs were developed by pharmaceutical companies in the late 1950’s and were sold as anti-depressants. Interestingly enough however, an unknown property of tobacco smoke has been shown to contain naturally occurring MAOI’s. This is reflected in numerous studies18 demonstrating that smokers have significantly lower levels of both types of MAO’s (A and B), which basically means that smoking acts as a natural antidepressant  without any of the horrible side effects common to many synthetic pharmaceutical drugs.  Another interesting fact is that the drug “Deprenyl”, an MAOI, has also been shown19,20 to markedly increase the lifespan of a variety of mammallian species in lab settings on several occasions. This fact is something to keep in mind, because we will be returning to it later on.

Glutathione: The “Master Antioxidant”

As an antioxidant, Glutathione’s function is to protect virtually every cell in the body by neutralizing damage caused by reactive oxygen-species (free radicals), heavy metals, and peroxides/lipid-peroxides. It is a chief component of the body’s natural defence systems and is required for the accomplishment of a host of cellular processes which include cellular differentiation and proliferation. What makes glutathione so special is that, unlike other antioxidants, it is intracellular and has the ability to maintain other antioxidants in their reduced (active) form to maximise antioxidant activity. It plays a critical role in detoxification processes, hence why the majority of the body’s stores can be found in the liver. It also influences immune function significantly, and glutathione depletion has been associated with cancer, diseases of aging, cystic fibrosis, cardiovascular, inflammatory, immune, metabolic, and neurodegenerative diseases21. The alternative health community acknowledges this molecule as the “mother of all antioxidants”, and rightly so. Interestingly, smokers lungs have been found to contain 80% more glutathione than the lungs of non-smokers22. The author of the study states:

Compared with nonsmokers, cigarette smokers had 80% higher levels of ELF [epithelial lining fluid] total glutathione, 98% of which was in the reduced form. [/quote]

 Higher concentrations of glutathione in the lungs offer increased protection against foreign material and pathogenic agents. What these findings suggest is that smoking tobacco may actually have a protective effect on lung tissue by up-regulating glutathione levels, however the mechanism behind this up-regulation was not covered in this particular study. Another experiment23, however, sought to directly measure glutathione’s response to tobacco smoke and here’s what they found:

CS [cigarette smoke] exposure initially decreased ELF GSH [glutathione] levels by 50% but within 2 h GSH levels rebound to about 3 times basal levels and peaked at 16 h with a 6-fold increase and over repeat exposures were maintained at a 3-fold elevation for up to 2 months.

CS exposures evoke a powerful GSH adaptive response in the lung and systemically. […] Factors that disrupt GSH adaptive responses may contribute to the pathophysiology of COPD.” 

So first of all, they theorize that a smoking-induced “glutathione adaptive response” is the mechanism which drastically up-regulates glutathione systems in this case. This also implies that tobacco has a protective effect on the lungs. Secondly, they state that factors disrupting this mechanism may contribute to Chronic Obstructive Pulmonary Disorder (COPD). This statement contradicts mainstream health sources, because according to these sources, smoking is the main cause of COPD. Yet if smoking clearly upregulates the “glutathione adaptive response”, and COPD is caused by an under active “glutathione adaptive response”, then how can smoking alone be the main cause of COPD? We may even go so far as to assume that smoking can actually prevent COPD. 

Catalase and Superoxide Dismutase

Catalase is an antioxidant enzyme that functions to protect cells from the damaging effects of hydrogen peroxide by catalysing it’s conversion into oxygen and water. It is therefore an important component of the body’s immune and detoxification pathways. Superoxide dismutase (SOD) is also an important antioxidant enzyme that neutralizes superoxide, a by-product of oxygen metabolism. Together, these are two of the body’s most remarkable antioxidants which play critical roles in protecting against oxidative/peroxidative cellular damage and are closely tied to longevity. Much like glutathione, catalase and SOD also appear to be controlled by some kind of antioxidant “adaptive response”. A recent study24 found that “Superoxide dismutase enzyme levels in the blood and saliva were significantly higher in smokers than in nonsmokers and the controls”. Furthermore, it was also discovered in a separate experiment25 that tobacco smoke-exposed hamsters were shown to have roughly double the amount of both Catalase and Superoxide Dismutase than hamsters who were not exposed to smoke.

The increase in glutathione, catalase and superoxide dismutase may be partly be able to explain how tobacco smoke manages to prevent lung cancer in those inhalling radiation, exhaust fumes and asbestos. Such an increase in antioxidant activity could be the key factor the protects lung tissue and rids the body of any nasty toxins inhaled via the respiratory tract.


One common criticism made by anti-smokers is that tobacco smoke contains Carbon Monoxide, which is supposedly poisonous, so therefore smoking is bad. However, this view is based on the faulty assumption that any dose of carbon monoxide is harmful. No doubt, a high dose of carbon monoxide can be fatal. But what these anti-smokers probably don’t realise is that Carbon Monoxide is actually Hormetic. The process of Hormesis is characterised by the introduction of a low-dose toxin into the body which triggers the body to respond in a beneficial way. On the other hand, at high doses the same toxin has a detrimental effect. Hormesis is one of the body’s most effective means of making adaptive changes on the cellular level in response to external stressors by up-regulating detoxification pathways, and is a sure way to protect against disease. Other popular hormetic agents include curcumin and polyphenol compounds in green tea. Heck, even exercise is said to be hormetic!

Fortunately for smokers, there is now a growing body of evidence demonstrating carbon monoxide’s potent hormetic effects and potential therapeutic benefits. Researchers at the Molecular Gastroenterology and Hepatology department of research at the University of Kyoto, Japan, say26:

Recent accumulating evidence has suggested that carbon monoxide (CO) may act as an endogenous defensive gaseous molecule to reduce inflammation and tissue injury in various organ injury models, including intestinal inflammation. 

…Potent therapeutic efficacies of CO have been demonstrated in experimental models of several conditions, including lung injuries, heart, hepatic and renal I-R injuries, as well as inflammation, including arthritis, supporting the new paradigm that CO at low concentrations functions as a signaling molecule that exerts significant cytoprotection and anti-inflammatory actions. 

Now consider the fact that the human body continuously goes through a constant state of producing and recycling CO, and CO poisoning can only occur when the body becomes overburdened by an extremely large amount. Cigarette smoke contains such low quantities of CO that it would be pretty much impossible to smoke enough to induce poisoning. With this in mind, it is safe to assume that as someone doesn’t stick their head in front of a car exhaust pipe, the chances of them experiencing carbon monoxide poisoning from smoking tobacco is pretty low. To the contrary, the amount of carbon monoxide inhaled from cigarettes may actually have a hormetic effect.

Tobacco for protection?

According to conventional medical dogma, tobacco is mankind’s worst enemy. As the evidence suggests, tobacco smoke possesses a wide variety of medicinal properties that are clearly beneficial to human health and longevity. To add to this, there have been several studies that demonstrate tobacco’s protective effects against numerous disease-causing agents and chronic health conditions.

First of all, one study27 conducted on the respiratory health of aluminium potroom workers showed that “smokers in the potroom group had a lower prevalence of respiratory symptoms than never smokers or ex-smokers”. Considering the above information, these results are not surprising. Furthermore, smoking also appears to protect against several other seemingly unrelated health issues.

For example, it has been well documented that smoking vastly decreases someone’s risk of developing osteoarthritis (OA)28 and provides some level of protection against it. Smokers demonstrate significant protection at four sites commonly seen in OA patients (knee, spine, hand and foot)29. Smoking also presents a negative correlation with large joint OA and has been shown to decrease the risk of OA in obese individuals30. Experts have theorized that this may be because nicotine may has beneficial effect on bone maintenance, growth and repair, and according to L. Gullahorn, M.D31  “of the more than 400 agents found in cigarette smoke, nicotine is one of the most physiologically active components. An in vitro study recently published demonstrates that nicotine is a potent stimulator of bone cell synthetic activity“.

 Secondly, it is commonly known amongst the scientific community that neurological diseases such as Alzheimer’s and Parkinson’s present a much lower risk in smokers… so much so that methods of treatments using nicotine (and it’s byproducts) are now being developed by pharmaceutical companies as neurological treatments.

Thacker et al32 analysed data including the smoking histories of 79,977 women and 63,348 men and found that, when compared with non smokers, former smokers had a 22% lower risk of developing Parkinson’s disease, while current smokers had a staggering 73% lower risk. Gorel et al33 also reported an inverse association between smokers and Parkinson’s. But the interesting thing about this study was that the inverse association strongly increased with people who were heavy smokers.  These results suggest that the more a person smokes, the lower the chances are of contracting this disease. The authors even concluded:

“The inverse dose-response relationship between PD and smoking and its cessation is unlikely to be due to bias or confounding, as discussed, providing indirect evidence that smoking is biologically protective.

Yet another study34 also concluded that “we report here that nicotine afforded neuroprotection to dopamine neurons”.

Similar results have also been found in studies on Alzheimer’s disease. A strong inverse association between smokers and individuals with Alzheimer’s has been shown35, and according to the author:

“the risk of Alzheimer’s disease decreased with increasing daily number of cigarettes smoked before onset of disease”.

With these results in mind, smoking tobacco seems to be an effective preventative measure. Researchers are still speculative as to how this protection and treatment occurs, although most seem to be confident that it is related to nicotine. Nicotine has also been used to effectively treat individuals with Attention Deficit Hyperactivity Disorder and Tourette’s sydrome. In addition to this, cotinine is a substance that is now being studied for its potential therapeutic benefits. It is one of nicotine’s metabolites and has been shown to improve learning, memory and which also has the ability to protect brain cells from the damage caused by both of these diseases

Another well documented fact is that the rates of smoking amongst schizophrenic’s are typically much higher than in the average population, with some studies36 showing that approximately 90% are smokers. Yet, curiously enough, schizophrenics have been shown37 to be between 30-60% less likely to develop lung and other cancers. So what do these figures suggest about smoking as the main cause for cancer? I will let you decide.

It has been theorized that these high smoking rates could be due to the stimulating cognitive effects of nicotine may help schizophrenics filter out irrelevant external sensory information. A study38 at Yale university found:

“when study subjects with schizophrenia stopped smoking, attention and short-term memory were more impaired, but, when they started smoking again, their cognitive function improved.

Evidence from Sweden has also shown39 that the more cigarettes men smoked at an earlier age, the lower chance they had of developing schizophrenia later on in life. The conclusion was that smoking can act as a neuro-protective preventative measure against developing schizophrenia.

Western medicine is renowned for pumping patients full of dangerous and ineffective medications for the profit of Big Pharma corporations. The system not only provides a lack of genuine support to people with mental-health problems, but what is even more appalling is that many institutions actually deprive in-patients of the right to smoke, despite it being one of the most effective means of self-medication. 

Aside from neurological diseases, smoking has been found to consistently reduce the risk of developing Ulcerative Colitis. According to Lashner et al40 “Non-smokers are approximately three times more likely to develop Ulcerative colitis”. One review41 suggests that current smokers are associated with an approximately 42% reduced risk, however former smokers are associated with increased risk when compared to non-smokers. This evidence seems to indicate that smoking may be protective, and people who quit smoking actually place themselves at a higher risk. To add to this, smokers with Ulcerative colitis have also been found to present more benign symptoms than those who did not smoke41.

Interestingly, smoking does not seem to benefit many of the people who are diagnosed with Crohn’s disease though. Both men and women are at a much higher risk of developing Crohn’s if they are smokers, and one study42 even suggests a threefold increased risk in women who smoked. This unusual fact seemingly doesn’t make any sense if we consider these data alone. However, a growing body of evidence is shining light on possible the genetic origins of this disease. Likewise, an increasing amount of evidence is coming to light regarding the possible genetic component that may play a role in tobacco smoking and nicotine consumption. Similar genetic patterns in blood have been found among smokers when compared to non-smokers. Some genes have also been found43 to be more active in smokers, whilst others were less active when compared to non smokers. Researchers44 theorize that genes responsible for neurotransmitter production and metabolism, cell receptor regulation and nicotine metabolism may play an important role in determining whether someone is likely to smoke or not.

What strikes me as most compelling here is that the evidence points to there being an undeniable biological difference between smokers and non-smokers. Perhaps this can help to explain why some people are naturally drawn to smoking when they are in their teenage years, while others go a whole lifetime without having any urge to smoke. It may also account for why some smokers can live a very long life without developing lung cancer, whereas someone else may smoke for a couple of years and not benefit from the protective properties whatsoever. With genetics in mind, the Crohns/Ulcerative Colitis paradox doesn’t seem so odd. Perhaps someone’s smoking-compatible genetics may also act as a protective factor against other pathological conditions? Science is yet to answer these questions.

Smoking and Mitochondrial function

To understand how smoking tobacco may affect mitochondrial function, first it is imperative to have a basic understanding of how the mitochondria work and what their function is.


Structures called mitochondria are located within the cell and are known as the “powerhouse” responsible for generating energy to supply the body’s metabolic requirements. The mitochondria’s function is to take electrons from the environment and use them to synthesise what is known as Adenosine Triphosphate (ATP), the body’s supposed ‘energy source’ (Gilbert Ling would disagree with this). Through a process called cellular respiration, electrons taken from digested food are shuttled past the mitochondrial membrane with help from specific molecules (via electron chain transport) so that the mitochondria can create ATP. The common theory of ATP is that it is used to fuel the majority of processes in the body. Again, this theory is debatable. What is accepted however is that ATP is absolutely essential for human life to exist. Recent work by researchers such as Dr Doug Wallace and others in the field indicates that mitochondrial dysfunction may be at the route of most modern-day diseases. This means that maintaining healthy mitochondrial function is of vital importance. 

One of the key players involved in ATP production is the redox molecule Nicotinamide adenine dinucleotide (NAD). NAD is present in all living cells and is available in two forms: NADH and NAD+. Both forms are essential for proper cellular energy transfer, and insufficient amounts can result in mitochondrial dysfunction. NADH’s function is to carry electrons in the mitochondria to facilitate ATP synthesis. Once NADH has donated those electrons, it becomes NAD+.  NAD+ has been shown45 to increase the rate of DNA repair, stress resistance, and regulate cell apoptosis. Furthermore, NAD+ also restores tissue integrity, induces homoeostasis, and increases longevity of the cell46. The cell senses levels of NAD+ as a measure of mitochondrial energy production and rate of metabolism. For this reason, the amount of NAD+ converted actually plays a significant role in regulating the rate of ATP synthesis and cellular metabolism47. Low levels of NAD+ reduce mitochondrial energy production, decrease the number of mitochondria in the cell48 and contribute significantly to muscular ageing processes49. Interestingly, NAD+ also has the ability to alter gene expression by “switching off” genes associated with degenerative processes50.

To follow on, SIRT1 (sirtuin) is a NAD-dependent protein coded for by the SIRT1 gene that cannot function without NAD+. So when NAD+ levels decrease, SIRT1 levels also decrease, and vice versa. SIRT1 turns out to be one of the single most important enzymes in control of epigenetic expression, metabolism and longevity. Studies have shown that SIRT1 inhibits MTOR pathway signalling, increases leptin sensitivity51, increases T3 hormone sensitivity52, and also increases the skin’ sensitivity to Vitamin D53. SIRT1 also inhibits/ switches off genes associated with inflammation54, blood sugar regulation, and body fat accumulation/storage55.

So, how does this relate to smoking tobacco?

One study56 conducted by Cancer Research in 2012 showed:

SIRT1 activity was the most consistently and significantly up-regulated in smokers compared to non-smokers in all 4 datasets. While SIRT1 was activity correlated to smoking status, SIRT1 pathway activation was not significantly correlated with pack-years among smokers (p > 0.05; Spearman). Therefore, independent of cumulative exposure, SIRT1 activity is consistently up-regulated in smokers. This increase in SIRT1 activity may serve as a protective effect against oxidative stress and DNA damage induced by smoking.

Considering the fact that SIRT1 is anti-inflammatory and can only function in the presence of NAD+, these findings suggest that NAD+ must also be up-regulated in smokers. An elevated level of NAD+ suggests more efficient mitochondrial function.  This finding can provide us with valuable insight in to how many smokers end up leading long and disease-free lives. For some people (who may possibly be genetically compatible), consuming tobacco is not a burden on the body. Perhaps these people do not live so long despite their smoking habits, but actually live so long because they smoke.  Below are some real-life examples of this.

Big Shocker: Most “Supercentenarians” were/are smokers


Jeanne Louise Calment  ~ The Birkshire Edge

Jeanne Louise Calment

French supercentenarian Jeanne Louise Calment was born on February 21st 1875, and on the 4th of August 1997, she was confirmed to have died from natural causes. She lived for a total of 122 years57. Her secret? Calment smoked from the age of 21 up until the ripe old age of 117 when she finally decided to give up the habit.

Jose lighting up~ Rediff

Jose Aguinelo dos Santos

Jose Aguinelo dos Santos, a Brazilian man whose parents were African slaves, was born on July 7th 1888. In July 2014, Jose reached his 126th birthday58. Interestingly, Jose has smoked a pack of cigarettes every single day for the past 50 years.

Winnie’s 100th birthday ~ The Daily Mail

Winnie Langley

Britain’s ‘oldest smoker’, Winnie Langley was born in Croydon in 1907. At her 100th birthday party, Winnie said: “I have smoked ever since infant school and I have never thought about quitting”. It is thought that she smoked more that 170,000 cigarettes throughout her life59. Sadly, two years later Winnie’s life was cut short at the young age of 102.

Emiliano Mercado Del Toro ~ z3.invisionfree.com

Emiliano Mercado Del Toro

Born on Auguest 21st 1891 in Puerto Rico, Emiliano smoked for a whole 76 years before giving up at the age of 90. In 2007, Emiliano passed away at age 115 from natural causes60.

Sek Yi puffin’ away ~ Reuters

Sek Yi

Sek Yi was a devout buddhist and a martial arts expert who was believed to have been born in 1881. In October 2003, Sek passed away at the age of 122 years old. Sek attibuted his longevity and that of his 108 year old wife to smoking and prayer. In an interview, Sek said: “When I was young I used to chew betel, but people made fun of me saying I was like a woman, so I took up smoking.”61

Batuli Lamichhane ~ The Daily Mail

Batuli Lamichhane

Batuli was born in Nepal in March 1903, which now makes her 112 years old. She is still alive, and has been smoking 30 cigarrettes a day for the past 95 years ever since she was 17. Apparently, Batuli “claims it’s her daily habit that has helped her outlive almost everyone else in her village – and her own children62.


Mortensen tokin’ on a cigar ~ Getty Images

Christian Mortensen

Finally, danish-american supercentenarian Christian Mortensen was born on August 16th 1882. Christian passed away on April 25th 1998 at the age of 115 years old. When asked what his secret to a long life was, he said: Friends, a good cigar, drinking lots of good water, no alcohol, staying positive and lots of singing will keep you alive for a long time.63.


From the above evidence that I have cited, it seems fair to conclude that in some cases smoking tobacco has the ability to:

  • protect the lungs against a variety of disease-states
  • increase the body’s ability to detoxify
  • increase cognitive capacity
  • turn OFF genes that are pro-inflammatory and to turn ON genes that are anti-inflammatory
  • indirectly increase longevity via enhancing mitochondrial function

I believe that some of this research may have staggering implications for the health of many smokers. It also brings to mind the possible effect of smokers constantly being told by health authorities that “smoking causes cancer”. Check out the video below:

Our state of mind, our beliefs, and our thoughts can all influence epigenetic expression. It has been consistently shown that changing one’s beliefs about oneself and the outside world can have profound effects on the state of a person’s physiology. In other words, your state of mind can allow the body to overcome disease-states. On the flip side, believing that you will get cancer can also outwardly manifest as cancer in the body. So, it makes me wonder how many instances of cancer amongst smokers are actually due to people internalising the messages they are subject to via the media which then essentially manifest in their biology.  We can’t really be certain about anything at this point, but one thing is for sure: more unbiased research needs to be done in this area.

The idea that smoking is an unhealthy practice is a relatively recent one which has come and gone throughout modern history. There have actually been numerous attempts by anti-smokers to enforce legislation set out to ban smoking – but fortunately, tobacco bans have always been unsuccessful in the long run. What many people fail to grok is that smoking was known as a healing practice by the indigenous native American populations for thousands of years, and was also acknowledged by  those who first imported tobacco into Europe as medicine. It was used to treat conditions such as asthma, psoriasis, and fever. 

Nowadays, wide-spread discrimination against smokers appears to be more common than ever.  Smokers are generally made to feel guilty for their personal choice to smoke by their non-smoking peers. Fortunately for anyone reading this article and educating themselves on the truth about tobacco, they can feel confident that lighting up is probably not going to completely destroy their health. 

For some more information on tobacco and smoking in general, you can see the following articles:


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