Full Definition of BOA. 1. : any of a family (Boidae) of large snakes that kill by constriction and that includes the boa constrictor, anaconda, and python.2. : a long fluffy scarf. See boa defined for English-language learners. See boa defined for kids. ADVERTISEMENT.ull Definition of BOA. 1. : any of a family (Boidae) of large snakes that kill by constriction and that includes the boa constrictor, anaconda, and python. 2. : a long fluffy scarf. See boa defined for English-language learners. See boa defined for kids. ADVERTISEMENT.
war-on-drugs_0.jpg. June 2011 marks the 40th anniversary of President Richard Nixon's declaration of a war on drugs â a war that has cost roughly a trillion dollars, has produced little to no effect on the supply of or demand for drugs in the United States, and has contributed to making America the world's largest incarcerator.
Heavy Marijuana Use Is Actually Linked to Lower Dopamine Release in the Brain, Study Finds. The same effect is seen with drugs like heroin and cocaine. Researchers in the Department of Psychiatry at Columbia University have revealed some new findings about the effects of heavy cannabis use â chronic marijuana users have compromised dopamine systems.