Drinking alcohol and drug addiction are also called substance use disorders. It is a disease that can affect a person’s brain and behavior. Most youngsters, working men, and women are getting involved in this addiction but they do not know their ability to function in day-to-day life becomes impaired. People who are with substance disorders may have distorted thinking and behavior. Changes in this function cause personality, abnormal movement, and other behaviors. There will be chances for effective decision-making, judgment, learning, and behavioral control.