Category

Cancer

Category

The Effects of Smoking on the Body Medically reviewed by Judith Marcin, MD on May 9, 2017 — Written by Ann Pietrangelo and Kristeen Cherney No matter how you smoke it, … Tobacco use has predominantly negative effects on human health and concern about health effects of tobacco has a long history. Research has focused primarily on cigarette tobacco smoking. Tobacco smoke contains more than fifty chemicals that cause cancer. Tobacco also contains nicotine, which…