Drug overdoses are one of the leading causes of injury death in adults, and they have risen in the United States over the past several decades. Thousands of pounds of narcotics enter the U.S. every ...

When a cocaine addict relapses, it isn't a matter of personal failure - it's the biological result of their brain's rewiring, new research finds.

Remarkable scientific progress over the past five decades has helped us develop knowledge of how drugs of abuse induce pleasure, reinforce use, and lead to the compulsive self-administration we call ...