Addiction is a primary, chronic, neurobiologic disease, with genetic, psychosocial, and environmental factors influencing its development and manifestations. It is characterized by behaviors that include one or more of the following: impaired control over drug use, compulsive use, continued use despite harm, and craving.
Drugs known to cause addiction include both legal and illegal drugs as well
as prescription or over-the-counter
drugs, according to the definition of the American Society of
Stimulants (psychical addiction, moderate to
severe; withdrawal is purely psychological and psychosomatic):