High cholesterol is brought about the nicotine in your cigarettes. When nicotine hits your body, it gives your blood sugar a boost. After a short time, you’re left feeling tired and craving more. This is related to the feeling of being full always even without eating actual food.
A more obvious effect of cigarette use is the discoloration of one’s teeth. This is due to the nicotine and tar in the tobacco. It can make your teeth yellow in a very short time, and heavy smokers often complain that their teeth are almost brown after years of smoking.