Featured Term:  "AIDS"
Acquired immunodeficiency syndrome. A severe immunological disorder caused by the retrovirus HIV, resulting in a defect in cell-mediated immune response that is manifested by increased susceptibility to opportunistic infections and to certain rare cancers, especially Kaposi's sarcoma. It is transmitted primarily by exposure to contaminated body fluids, especially blood and semen. (The American Heritage Dictionary of the English Language — Fourth Edition)

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Note: Join Together definitions were adapted from:

Cermak, T. L. (1986). Diagnosing and Treating Codependence. Johnson Institute Books, Minneapolis, MN.
Maisto, S. A., Galizio, M. And Connors, G. J. (1991). Drug Use and Misuse, Hold, Rinehart and Winston, Inc., Fort Worth, TX.
Ray, O. (1990). Drugs, Society and Human Behavior, Times Mirror/Mosby, College Publishing, St. Louis.
Schuckit, M. A. (1998). Educating Yourself about Alcohol and Drugs: A People's Primer. Plenum Trade: New York.

Terms from Addiction Resource Guide