A blood factor involved in weight loss and aging

Aging can be delayed through lifestyle changes (physical exercise, restricting calorie intake, etc.). Researchers have elucidated the properties of a molecule in the blood – GDF11 – whose mechanisms were previously unknown. In a mouse model, they showed that this molecule could mimic the benefits of certain calorie restrictions – dietary regimens that have proven their efficacy in reducing cardiovascular disease, preventing cancer and increasing neurogenesis in the brain.

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Evidence of behavioral, biological similarities between compulsive overeating and addiction

Does yo-yo dieting drive compulsive eating? There may be a connection. According to researchers the chronic cyclic pattern of overeating followed by undereating, reduces the brain's ability to feel reward and may drive compulsive eating. This finding suggests that future research into treatment of compulsive eating behavior should focus on rebalancing the mesolimbic dopamine system — the part of the brain responsible for feeling reward or pleasure.

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Deeper understanding of early life experiences can help combat chronic obesity and frequent bingeing

According to a new study, dysfunctional eating patterns and habits in overweight and obese adults can be triggered by early life experiences that are deeply rooted within patients' personality features.

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