Smoking tobacco is so harmful to the body that it changes a person’s immune system, leaving them vulnerable to more disease and infection even years after they’ve quit, a new study found. Although ...

Smoking affects the lungs and other organ systems, including the heart. The carbon monoxide from tobacco reduces oxygen to the heart, causing it to beat faster to deliver oxygen to the body. Share on ...

Christine Emba’s homage to the allure and attractiveness of cigarette smoking (“The Embodied Pleasure of Smoking,” Opinion guest essay, Aug. 10) should itself have a warning label on it. Tobacco use ...