Addiction is a chronic brain disorder, and not merely a behavioral problem or simply the result of taking the wrong choices, according to the American Society of Addiction Medicine (ASAM), which has ...

My previous posts have focused on recognizing and preventing excessive substance use, with an emphasis on providing the latest information about my special interest – cannabis (see 20 Questions to ...

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 ...