Smoking, and its harmful substances such as nicotine, can harm almost every part of the body, including the brain. It can also lead to other brain conditions, such as cancer, dementia, and stroke.

Like other factors such as age, sex and genetics, smoking has a major impact on immune responses, according to a new study. In addition to its short-term impact on immunity, smoking also has long-term ...

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 ...