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.

Animation cel from the anti-smoking PSA series Adventures of Nic (A Teen). This hand-inked, hand-painted cel setup features the “Pack Rats,” a group of ne’er do well anthropomorphic cigarettes bound ...

Lightheadedness after smoking is a common effect. It can be caused by nicotine’s effects on blood flow and may vary among different people. Genetics or certain conditions can also cause this symptom.