(39) How To Quit: A Quick Tip Sheet For Smokers

Nicotine, which constitutes approximately 3% of the dry weight of tobacco, is a stimulant drug. While some people take up smoking to look older and more mature or to feel more confident or more social, others take up smoking out of a sense of rebellion or to show their parents who was in control. By the way, it is true that smoking makes you look older, because it causes premature wrinkling. Stress is considered a cause for smoking by many people. Also, ex-smokers often think that if they just take a cigarette during a stressful episode the situation will be solved.