News flash: pot use affects motivation and emotion

|By:, SA News Editor

Researchers in Boston find that casual pot use (one - seven joints a week) changes the size, shape and density of the nucleus accumbens and the nucleus amygdala, regions of the brain that regulate emotion and motivation.

More study is needed to determine the specific effects of the changes which appear different than the effects of consuming alcohol.

The National Institute on Drug Abuse and the White House Office of National Drug Control Policy partially funded the work.

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