Drinking beer may appear beer belly, but not necessarily appear. Beer belly is mainly manifested as an increase in abdominal fat, which is typical of abdominal obesity. Beer is brewed from wheat, although the calories contained in itself is not high, but if you drink a lot of beer for a long time, it may lead to excessive calorie intake, causing fat, the formation of beer belly. Most people drink beer at the same time usually accompanied by barbecue, hot pot and other high-calorie diet, and is mostly concentrated in the evening, usually after drinking and eating will be ready to go to bed, less exercise, so that the calories in the body to gather and can not be consumed, the fat accumulates in the abdomen for a long time, will form a beer belly. But if the amount of beer to drink less, drink beer at the same time no high-calorie diet, or after drinking beer have enough exercise, will be metabolized calories, may not form a beer belly. Alcohol is recognized by the World Health Organization as a class I carcinogen, it is recommended that you do not drink alcohol or drink as little as possible to reduce the risk of cancer.