subject: 3 Side Effects When You Quit Smoking [print this page] Quitting smoking is never an easy thing to do because you get to experience some side effects that your body may don't want to experience. But these effects as I have mentioned earlier, are only manifested through a given span of time, it doesn't take you a life time to experience all those effects. Unlike if you never quit smoking, you'll suffer from all those diseases in your whole life time. Just think.