IN THE BO-"D"
'(<a href="http://www.j-archive.com/media/2009-05-19_DJ_05.jpg" target="_blank">Sarah of the Clue Crew reports from Brookhaven National Laboratory in Long Island, NY.</a>)  Imaging done at Brookhaven shows a change in a drug addict's ability to respond to this neurotransmitter responsible for feelings of pleasure & reward'
dopamine