Drinking and driving involves the continued or compulsive use of alcohol drinks while operating a car. Drinking and driving has many causes and effects. One of these causes may be thatthe person does not realize they are drunk. Another cause may be peer preassure, or that the person thinks is cool to be drunk. Drinking and driving also has many effects. One of the most common is death, It can also cause legal and family problems. Alcohol is an intoxicating substance made by distillation rather than fermentaton.