Brain atrophy responsible for depression in people battling multiple sclerosis

Adding to all that ails people managing their multiple sclerosis (MS) is depression, which has a lifetime risk for MS sufferers as high as 50 percent. Now for the first time in living humans, researchers suggest atrophy of a specific region of the hippocampus, a critical part of the brain involved in mood and memory, among other functions, may be the cause.

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