dark sticky substance that forms when tobacco burns What chemicals are in a cigarette? | What does smoking do to your body? Do you know what's in

Michael Cabana, MD, MA, MPH (University of California, San Francisco)

For tobacco fragrance lovers, this is masterpiece territory

Smoking appears to accelerate the loss of eggs and reproductive function and may accelerate the time to menopause by several years

Smoking cigarettes, cigars, or chewing tobacco can increase the risk of cancer in the mouth, throat, tongue, and lips

Heroin is considered to be the most addictive drug in the world because, for many, the first dose leads to addiction

Health Risks From Second-Hand Smoke Second-hand smoke includes both the smoke coming from the burning tobacco and the smoke that is exhaled by the person smoking