Lasers That Switch Cocaine Addiction On and Off

Scientists at the National Institutes of Health (NIH) and the Ernest Gallo Clinic and Research Center at UC San Francisco (UCSF) have discovered that by stimulating particular areas of the brain with light, addictive behavior can be removed in rats — or used to encourage addiction to substances like cocaine.

By shining a laser light in the prelimbic region of the prefrontal cortex, the researchers say the compulsion to ingest cocaine was gone .... http://http//www.smartplanet.com