However, alcohol dependence, or alcoholism, refers to a disease that is characterized by abnormal alcohol-seeking behavior that leads to impaired control over drinking. Talk to school counselor, a friend, or a parent. About Methamphetamine Methamphetamine is a stimulant drug chemically related to amphetamine but with stronger effects on the central nervous system. Methamphetamine is used in pill form, or in powdered form by snorting or injecting. Marijuana and alcohol are commonly listed as additional drugs of abuse among methamphetamine treatment admissions.
Researchers continue to study the long-term effects of methamphetamine use.
About Cocaine and Crack Cocaine Cocaine is a white powder that comes from the leaves of the South American coca plant. Cocaine belongs to a class of drugs known as stimulants, which tend to give a temporary illusion of limitless power and energy that leave the user feeling depressed, edgy, and craving more. Crack is a smokable form of cocaine that has been chemically altered. Cocaine and crack are highly addictive. This addiction can erode physical and mental health and can become so strong that these drugs dominate all aspects of an addict's life.