If heavy drinking persists for years, a person will suffer irreversible damage to his mind and body. His resistance to disease in general will decline. Several disorders may develop in the brain, stomach, intestines and related organs. One of the most common is cirrhosis of the liver. When administered in the proper dose under a physician's care they can be beneficial to a person.
Amphetamines stimulate the actions of the central nervous system.
These stimulants are being misused or abused by businessmen, housewives, students, athletes, and truck drivers. Long term heavy users of amphetamines are usually irritable, unstable, and like other heavy drug users, show social, intellectual, and emotional breakdown. Then there are the barbiturates. Unlike amphetamines which stimulate the central nervous system, barbituates depress the central nervous system. These are used in minor forms by the medical profession to relieve anxiety, stress and tensions.