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 ...

Despite fewer new addiction cases worldwide, a sweeping analysis finds drug-related deaths surging, exposing critical failures in global harm-reduction and recovery systems. Study: The evolving burden ...

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.