Alcohol has been used for thousands of years and is one of the oldest and most commonly abused psychotropic substances in the world. When it is used in excess and in a prolong period of time, it may cause alcohol abuse or dependence that may cause physical and psychological harms to the person.
People with alcohol abuse and dependence spend considerable time on drinking that led to relinquishment of personal interests, and neglect of family and work. Heavy consumption in alcohol is harmful to the brain, liver and stomach that may further lead to memory loss or blackout, chronic insomnia, cirrhosis and chronic gastritis. Moreover, people who suffer from alcohol abuse and dependence may encounter injuries or engage in criminal activities, such as drink driving.