It is frequently said that addiction occurs when drugs “hijack” the brain. It’s hard to nail down what that means, but it does rightly suggest that there is an involuntary takeover of the brain that ...

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 ...

Sign up for CNN’s Stress, But Less newsletter. Our six-part mindfulness guide will inform and inspire you to reduce stress while learning how to harness it. Teens ...