Sci Rep 5 , 8126 (2015)
Smoking a few cigarettes a day is much riskier than a lot of people think, the studys lead author, Dr
Among the hazards are: Benzo(a)pyrene Benz(a)anthracene Phenols Vinyl chlorides Nitrosamines Reactive oxygen species People also smoke marijuana in a different way than they smoke tobacco, possibly posing greater danger to the lungs: Some people hold in weed smoke as long as possible to get "higher," but that's a myth
3 Young people benefit substantially when significant adults in their lives stop smoking in any way possible
In the case of tobacco smoking, these active substances are a mixture of aerosol particles that include the pharmacologically active alkaloid nicotine, which stimulates the nicotinic acetylcholine receptors in the brain, and other non-psychoactive chemicals that result from combustion
As shown in Supplementary Table S1 online, the full range of available LD50 values in different animal species is taken into account as a risk function assuming a normal distribution for BMDL10 rather than that a single value is entered into the calculation (except methamphetamine and MDMA for which only one value was available in the literature)
