Is Drug Addiction a Disease of the Brain
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... Drug Addiction as a Disease of the Brain Teacher Drug Addiction as a Disease of the Brain The Biology of Drug Addiction Drug addiction, as defined by DrugAbuse.gov, is a “chronic, often relapsing brain disease that causes compulsive drug seeking and use, despite harmful consequences to the addicted individual and to those around him or her” (“Drug Facts,” 2011). Although it Moreover, drugs directly alter neurons and the synapses that they carry out, and drugs do this either through imitation of the natural chemical messengers of the brain and through the overstimulation of the brain’s “reward circuit” (“Drug Facts,” 2011). As for drugs like marijuana and heroin, their molecules have a...