Over Time, Marijuana Use May Dampen The Brain's Response To Reward

(Forbes, July 6) Using marijuana recreationally can damage the brain's response to monetary rewards. The reward center of the brain, the nucleus accumbens, produces dopamine, which presents a sense of pleasure. Study subjects at the University of Michigan pushed a button after seeing a target which then rewarded them with money. Those who reported frequent marijuana use had a smaller response in the nucleus accumbens. READ MORE.