Tag Info

Hot answers tagged

4

The difference in life expectancy between smokers and non-smokers appears to be at least 10 years on average, in a survey of American adults between 1997 and 2004. The same paper lists causes of death (higher among smokers than non-smokers, as measured by hazard ratio), although this is not exhaustive: lung cancer, other cancers, ischemic heart disease, ...


3

This page is pretty complete with examples and references. In summary a lot of the evidence is empirical - you look at smokers and the quality of their skin and compare to non-smokers and the differences are statistically significant and reproducible. It seems as if this is old work, dating from the 1970s. So in many cases these are only observed ...


2

To summarise your argument, cancer is a disease characterised by uncontrolled cell division of mutant cells. Smoking decreases cell division, thereby smoking decreases risk of cancer. Furthermore, stopping smoking increases growth rates, thus there's an immediate rise in risk following smoking cessation. Cancer is NOT caused by cell division. Smoking does ...


1

20-30 seconds is all it takes to reach the brain, then levels continue to increase with a peak at around 15 minutes and normal levels by about 2 hours (hence the craving). Smoking increases your heart rate directly and also indirectly through reducing the oxygen levels in your blood so your body compensates by increasing heart rate as well as makes each beat ...


1

I am not sure, if any comparisions have been made with other plant leaves, but unless these contain some pharmacologic active substances, I doubt that they are smoked widely. There are comparisions between normal smoking and the smoking of marijuana and the short version is: Both are harmful. It depends on the temperature at which they are burned, how they ...


1

(at an epidemiological scale) WHO on tobacco more than one billion smokers worldwide... Tobacco kills nearly 6 million people each year. WHO on indoor air pollution Around 3 billion people still cook and heat their homes using solid fuels in open fires and leaky stoves. About 2.7 billion burn biomass (wood, animal dung, crop waste) and a ...



Only top voted, non community-wiki answers of a minimum length are eligible