Introduction It’s not easy to quit smoking. The nicotine in cigarettes is addicting. Your body craves it because it makes you feel good. So when you try to stop smoking, you go through nicotine withdrawal. You feel awful, and you may worry about gaining weight. You get cranky and anxious. It can be hard to sleep. You’re not the only one. Most people feel bad when they try to quit. The hardest part is not reaching for a smoke to feel ... Jump to full article >>