Frankly speaking, it is tough to say no to smoking when your close friends are smokers. I have been there and I know how you can be easily lured into smoking through peer pressure. But with a strong mindset and a deep concern for your health, you can resist the temptation. If you are already a smoker, try cold turkey method. This is a method where you quit your addition instantly and completely, this method has helped many people I know break free from the addiction.