Depression may--may!--lead to Alzheimer's. Or maybe depression and Alzheimer's are both triggered by the same unidentified underlying problem. Both of these possibilities arise from a new report on the links between depression and Alzheimer's in the journal Neurology.
Three things you need to know:
1. The study shows that people with early-life (prior to 60) depression have a nearly four-fold risk of developing Alzheimer's later in life than people with no depression history. People who had...


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