Addiction is all about the dopamine

From heroin and cocaine to sex and lies, Tetris and the ponies, the spectrum of human addictions is vast. But for Dr. Nora D. Volkow, the neuroscientist in charge of the National Institute on Drug Abuse, they all boil down to pretty much the same thing.   Profiles in...

Fast Facts: Substance Abuse

  Substance Use Disorders…   In 2010, an estimated 22.6 million people aged 12 or older, or 8.9 percent of the population aged 12 or older, said they had used illicit drugs in the past month – an increase from 8.0 in 2008, a change largely attributed to a...