If any person is taking alcohol or drugs without a proper prescription from a doctor, and sometimes it is seen in people due to the intake of these substances. Anything taken in excess will give negative results instead of positive ones. Addiction to drugs like cocaine, heroin, or methamphetamines will harm both the body and mind. Drugs have chemical properties that affect brain function and other organs of the body adversely. There are several reasons why people are looking for drugs. These factors are extreme pressure that they can't handle. Another reason is if a person grows up with peers or family members who are heavy drinkers, they may become heavy drinkers. If you have any further questions, feel free to consult with the therapists at Murfreesboro recovery center.