This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Over the past year and a half, Scientific ...

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 ...

Polysubstance use has become a defining feature of the U.S. overdose crisis in the past decade. While not every overdose involves multiple substances, a significant and growing proportion includes ...

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 ...