Smoking is a hard habit to break because tobacco contains nicotine, which is highly addictive. Like heroin or other addictive drugs, the body and mind quickly become so used to the nicotine in cigarettes that a person needs to have it just to feel normal. People start smoking for a variety of different reasons. Some think it looks cool. Others start because their family members or friends smoke. Statistics show that about 9 out of 10 tobacco users’ start before they're 18 years old. Most adults who started smoking in their teens never expected to become addicted. That's why people say it's just so much easier to not start smoking at all.
Tobacco advertising also has a big influence on why people smoke. For years, the industry has focused on making smoking glamorous through advertising in movies, television, and billboards. While cigarette advertising is now controlled, its influence can still be felt in the form of free samples, smoking cartoons, and the promise of cool merchandise that can be obtained in exchange for coupons printed on cigarette packs. Many people claim that smoking keeps them thin, but the truth is that smoking reduces the sense of taste; so many people who smoke simply eat less because they don't enjoy food as much.
Smoking also produces psychological dependency. Many people smoke because it helps them relax and cope with difficult situations, or because it gives them confidence. Others smoke when they feel bored. Smoking produces a feeling of satisfaction that's difficult to give up. Finally, people who smoke are usually in denial – they know that smoking is bad, but they convince themselves it's simply "not as terrible as they make it sound."
Smoking is a social activity as well. Many people who smoke do so as a way to start conversations and interact at parties or in crowded places. This is known as "social smoking," and it usually involves alcohol as a complement.
Many teenagers start smoking due to peer