It's common to gain weight after you stop smoking, especially during the first several months — but it isn't inevitable.
Smoking acts as an appetite suppressant and may slightly increase your metabolism as well. When you quit smoking, your appetite and metabolism return to normal, which may lead you to eat more and burn fewer calories.
Also, your ability to smell and taste food improves after you quit smoking. This can make food more appealing, which may lead you to eat more. And if you substitute snacking for smoking, the calories may quickly add up.
To avoid weight gain when you quit smoking, make diet and exercise part of your stop-smoking plan. It may help t
Above all, remember that the health benefits of being smoke-free far exceed the problems associated with even moderate weight gain.