National Institute on Drug Abuse: "The Science of Addiction"

If you are interested in learning more about the science of drugs, the brain, and behavior, feel free to read the other sections of the website that discuss addiction prevention, health, treatment, and recovery.

Click https://web.archive.org/web/20151017173446/https://www.drugabuse.gov/publications/drugs-brains-behavior-science-addiction/preface link to open resource.