smoking

Regular marijuana use in adolescence is associated with impairments in a broad range of executive functions

Marijuana smoking found to raise levels of potentially harmful chemicals but to a lesser degree than tobacco smoking

Researchers analyzed datasets of the RNA expressed by various types of lung tissue, comparing current and former smokers and non-smokers

Nicotine works inside cells to reinforce addiction

Allowing smokers to determine their nicotine intake while they are trying to quit is likely to help them kick the habit

Irish Famine victims were heavy smokers, which caused badly rotten teeth, researchers have discovered

Drug would block breakdown of nicotine, reducing urge to smoke

Researchers found that many of the chemicals used to flavor e-cigarettes increased the production of free radicals, while a few actually lowered it

Using e-cigarettes may lead youth to start smoking, adults to stop smoking

Study finds smokers who are willing to use e-cigarettes tend to smoke less and increase their quit attempts