Excess weight linked to brain changes that may relate to memory, emotions, and appetite

Being overweight appears related to reduced levels of a molecule that reflects brain cell health in the hippocampus, a part of the brain involved in memory, learning, and emotions, and likely also involved in appetite control, according to a new study.
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Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_science/~3/KAMgGrVAFqo/140211121829.htm