Reps for the Mind: Stop Loops Before They Kill Your Brain

Most people think memory loss comes from bad food, being a booze hound, bad sleep, or just Father Time kicking your ass! A 2024 Chinese study (424 adults, PMID: 40457276) found something more sinister: :Repetitive negative thinking. The mental loops of stewing, worrying, and overthinking crank stress hormones that torch your hippocampus—the same way saltwater…

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