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.
Jails and prisons tally daily the strong connection between crime and drug dependence and abuse. Although use of some drugs such as cocaine has declined, use of other drugs such as heroin and club drugs has increased. 1  Finding effective treatment for and prevention of substance abuse has been difficult.