Cautionary tales in science fiction are warning us about turning sleep into a commodity. Here's why some of those fears ...

Why someone becomes addicted to a substance has long baffled scientists and philosophers. Now leading researchers are getting the clearest picture yet of how addiction works in the brain and body.

The series turned a voyeuristic lens to people with unusual habits, but it did raise awareness of various compulsive disorders.

The first step in recovering from addiction is to tell the truth—admit the addiction, acknowledge its consequences. Yet this ...