🔬 Sleep Now Predicts Your Lifespan More Than Diet or Exercise—New Data Just Revealed Why

This week's Peer Review'd uncovers groundbreaking findings that insufficient sleep is more closely linked to shorter life expectancy than diet, exercise, or loneliness—plus what the science says about how many hours you actually need. We explore how disrupted body clocks may quietly increase dementia risk, why Betelgeuse's strange behavior finally makes sense after astronomers discovered its hidden companion star, and how a natural amino acid could revolutionize cavity prevention. Plus, researchers identify the protein absence that triggers Alzheimer's-like damage and reveal how physical activity builds stronger bones at the molecular level.

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