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Compound produced by bacteria protects the skin
Researchers discovered how a bacterium that lives on the skin, called S. epidermidis, helps protect the skin from water loss and damage.
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Calorie restriction, immune function, and health span
A study of moderate calorie restriction in people led to the identification of a gene that is involved in improved immune and metabolic functions.
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Use of melatonin supplements rising among adults
The use of melatonin supplements by adults in the United States more than quintupled between 1999 and 2018.