Neuroscientists at Dartmouth College say they are developing a procedure that would enable them to predict the likelihood of weight gain and sexual activity in test subjects by analyzing MRI scans of their brains. The researchers -- who describe their findings in a paper in The Journal of Neuroscience -- ran experiments using 58 female volunteers and found that those who experienced strong stimulation of a brain region known as nucleus accumbens when viewing images related to sex or food were more likely to have gained weight or been sexually active within six months of their MRI.

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