Nowadays drinking alcohol becomes a great problem that effect to many-sided. The first effect is the accident cause the more you drink, the more likely you are to have an accident. The feeling you get when the amount of alcohol in your blood increases can have bad result too. It can make you underestimate your own abilities and behave recklessly. Thinking that road doesn’t look as busy or that gap isn’t so big to jump over. As blood alcohol concentration rises, so does the risk of accidents, the amount of alcohol in your breath or blood, is measured in mg of alcohol per 100 ml of blood, or mg%. It’s affected by all sorts of factors, including how much alcohol you drink, how fast you drink it, your body size, how much you’ve eaten, your gender and even your emotional health.