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29 votes
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What are known health effects of smoking e-cigarettes

We do not know That's a bit unsatisfying as an answer, but it's the truth. Vaping is around for somewhat 13 years (invented in 2003), but the international breakthrough was so recent that no long ...
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27 votes
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Is "smokers lungs" a lie?

So my question is: Are smokers' lungs visibly and routinely blackened and/or discolored in the absence of lung disease? That last phrase is tricky, because smokers who have heavy pigmentation are ...
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14 votes
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Oxygen saturation value of smokers

The OP observes: When I was a smoker, my own SpO2 was usually 100%. Although long-term smoking often does lead to changes in the lungs that cause hypoxemia (low peripheral O2 Saturation, a.k.a. ...
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  • 4,355
12 votes

In what ways do studies indicate that smoking marijuana is detrimental to long-term health, if any?

This seems like a difficult question as there continues to be a large amount of conflicting reports about the extent of biological consequences regarding cannabis usage. However, There is general ...
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10 votes
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Is smoking during pregnancy harmful to child and mother?

Smoking during pregnancy is bad. Really bad. It will be damaging to the baby, and possibly even to the mother. Firstly, smoking during pregnancy increases the risk of miscarriages. It can also cause ...
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10 votes
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Is there an established recommended maximum intake of cigarettes?

Yes It’s zero. See: Doll, R., & Hill, A. B. (1950). Smoking and carcinoma of the lung; preliminary report. British medical journal, 2(4682), 739–748. doi: 10.1136/bmj.2.4682.739 pubmed central: ...
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  • 316
9 votes

Is smoking during pregnancy harmful to child and mother?

Smoking during pregnancy is related to many effects on health and it increases the risk in children as well. Even if the mother doesn't smoke, the risk increases significantly with higher amount of ...
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  • 4,697
8 votes
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Smoking just after a workout

Smoking in general is unhealthy. Smoking can result in emphysema, COPD, pulmonary hypertension and other ugly diseases [1,2,3]. After a workout your heart and respiration rates are higher than at ...
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8 votes
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Can quitting smoking cause stomach problems?

No one can prove that quitting smoking doesn't cause frequent bowel movements in a particular individual, but it's not a symptom generally associated with quitting smoking. The usual symptoms are: ...
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  • 9,324
8 votes

What are known health effects of smoking e-cigarettes

The question might need isolation into two parts: Nicotine addiction vs. inhaling combusted natural products Cessation and the mere use of vaped products. There should be little doubt that not ...
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7 votes
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Effect of cigarettes on passive smokers

Passive (or secondhand) smoking can increase your risk of cancer and other health problems. Inhaled smoke is a mixture of smoke from the burning end of a cigarette or cigar and the smoke exhaled from ...
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  • 4,697
6 votes

Are tobacco packaging warning messages improving health of society?

There are some studied done about it. Here is the list of them Effectiveness of cigarette warning labels Perceived Believability of Warning Label Information Do Cigarette Warning Labels Reduce ...
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5 votes

Oxygen saturation value of smokers

Yes, SpO2 levels can be depressed in smokers, but the body will compensate for some of the effects which can explain why you may have had normal saturation levels. There are also age considerations, ...
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  • 6,524
5 votes

Effect of cigarettes on passive smokers

According to The Better Health Channel (independant of any business, funded by the State Government of Victoria, Australia), passive smokers are exposed to many health risks that include long-term ...
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  • 2,250
5 votes
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What is the effect of smoking before or during early pregnancy on the baby?

While most studies appear to be on women who quit during pregnancy, I found a study that compared pregnancy outcomes in women who never smoked, quit smoking before pregnancy, quit smoking in early ...
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  • 6,998
5 votes
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What are the hazards from smoking or drinking and then donating blood?

Smoking and drinking both put the recipient of the blood donation at risk or possible risk. Smoking causes nicotine to enter your bloodstream and usually breaks down into cotinine. Both of these are ...
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  • 4,896
5 votes

Why do people smoke? Everyone knows it is unhealthy

Because when tobacco is smoked, nicotine causes physical and psychological dependency. You see, it acts on brain reward mechanisms, both indirectly (through endogenous opioid activity) and directly (...
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  • 424
5 votes
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Is 2nd hand smoking worse than 1st hand smoking

TL;DR Yes, if one was to inhale the same amount of smoke passively as smokers inhale actively, it would be more dangerous. This is hardly the case though, as smokers also inhale parts of second hand ...
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  • 6,480
5 votes

Are cigars less harmful than cigarettes?

This is a common misconception - they're both terrible. Harm from smoke is mostly dose-dependent, meaning the more you smoke the worse harm you are causing your body. But if we measure equivalent ...
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  • 5,693
5 votes

Does Nicotine cause Cancer?

There is not enough evidence either in support or in rebuttal... EFFECTS OF CHRONIC OR REPEATED EXPOSURE: Nicotine is a teratogen (capable of causing birth defects). Other developmental toxicity ...
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  • 6,480
4 votes

Why do female smokers often have creases above their lips?

Skin wrinkles and creases are generally caused by a breakdown of the collagen framework within the skin. Collagen is a key part of your skin's structure. It forms a network of fibers within your ...
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  • 5,852
4 votes

Quantify third-hand smoke exposure risk

The following are studies which indicate cancer risks from third hand tobacco smoke which to me seems non-ambiguous. Sleiman, M., Logue, J. M., Luo, W., Pankow, J. F., Gundel, L. A., & ...
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  • 5,852
4 votes
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It is well known that cigarette smoking makes Crohn's disease worse. Is it the nicotine or the toxins, or both?

As suggested by one small human study and one study in mice, nicotine might improve Crohn's disease in the colon but aggravate Crohn's disease in the small intestine. Nicotine Enemas for Active ...
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4 votes

Are there beneficial compounds in cigarette smoke?

In short: In some studies, smoking was associated with reduced risk of retinopathy only in individuals with diabetes type 2, but with an increased risk in those with type 1. In diabetes type 2, ...
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3 votes

Toxicity of nicotine vs potassium cyanide

Most medical literature reports a similar level of toxicity between nicotine and cyanide - 50 mg for cyanide and 60 mg for nicotine as lethal doses. However, there is controversy over the true lethal ...
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3 votes

How much risk am I taking by joining my coworkers for smoke breaks?

Your question has no correct answer. It is up to take the pain for a gain. What I would do is look for other times when I can build rapports. However, studies show that non-smokers exposed to second-...
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  • 191
3 votes
Accepted

How serious is the risk of second hand smoke?

Unfortunately, you can't make a probabilistic estimate if you will contract heart disease or some form of cancer - there are too many variables to consider. How big is the room? How many people are ...
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  • 385
3 votes

Why does smoking increase the risk of developing medial epicondylitis?

Not too many studies showed any correlation between smoking and risk of epicondylitis but only one study mentioned it. They say: Smoking may interfere with the circulation to tendons, which not ...
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  • 301
3 votes

Natural ways to quit smoking

Natural Ways to quit Smoking Candy and Gum. Sucking candy or chewing gum can occupy your mouth and time much the same as cigarettes. Even lollipops can help. The flavor of the gum keeps the mouth ...
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  • 2,952
3 votes
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Too much sitting as bad as smoking?

If we compare the average increase in all-cause mortality due to sitting (approximately 50% according to meta-study published on NHS) and the average all-cause mortality due to smoking (aproximately ...
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