Researchers uncover the surprisingly complex evolutionary history of the salivary protein amylase. Historically, the similarity between AMY1 copies has made this stretch of the genome difficult to map ...
The Healthy @Reader's Digest on MSN
How long does it take to digest food?
A nutrition expert breaks down how long it takes to digest food—and shares tips on keeping your digestive system healthy.
Digesting spicy, dairy, and processed foods may be more difficult with age. Eating fiber-rich whole foods, exercising, sleeping better, and lowering stress can help. As people age, their digestive ...
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