Image from brain scan
Media playback is unsupported on your device

Brains may be 'wired' for addiction

Abnormalities in the brain may make some people more likely to become drug addicts, according to scientists at the University of Cambridge.

They found the same differences in the brains of addicts and their non-addicted brothers and sisters.

The BBC's Science Editor David Shukman was given access to the research.

  • 02 Feb 2012
Go to next video: Babies' brains 'show autism risk'