Science of Addiction
According to the National Institute on Drug Abuse (NIDA), addiction is "a chronic, relapsing disease, characterized by compulsive drug seeking and use, and by neurochemical and molecular changes in the brain." Addiction impairs the body's organs and increases the risk of contracting other diseases. The Science catalog focuses on the disease of addiction and the impact of substance use on brain functioning.
Article
Drugs and the Brain
Article from National Institute on Drug Abuse
According to NIDA, "Drugs interfere with the way neurons send, receive, and process signals via neurotransmitters. Some drugs, such as marijuana and heroin, can activate neurons because their chemical structure mimics that of a natural neurotransmitter in the body."
This article explains how drugs affect the human brain.
