Researchers looked at more than 16,000 gut microbiome profiles from baboons in Kenya, finding that gut bacteria are heritable, although environmental factors do still play a larger role than genetics.
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The largest study of its kind (386,258 coffee drinkers) found no evidence that moderate coffee consumption can cause cardiac arrhythmia (abnormal heart rhythms.)
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Mice having protein at breakfast had a 17% increase in muscle growth compared to animals who ate more protein at dinner, showing the effects of chrononutrition — eating based on circadian rhythms.
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Brain scans of middle-aged adults shows that spending more time outdoors significantly boosts gray matter in the prefrontal cortex, responsible for planning, executive functions, memory, and attention.
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