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
Heroin in the Brain
Article from PBS
According to PBS, "In 1972 brain researchers from Johns Hopkins University made a puzzling discovery that would illuminate scientists' understanding of drug addiction. They found that the human brain's neurons had specific receptor sites for opiate drugs: opium, heroin, codeine and morphine."
This article explains how heroin affects the human brain.
