Study Shows Risk of High-Protein Diet

March 7, 2014 6:43 PM

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“Wait until you’re older” is an admonishment you expect as a child when asking for a parent’s permission, but a new study suggests it might apply to your protein intake, too. Per a study published in the journal Cell Metabolism, researchers found that a high-protein diet increased mortality rates for people between the ages of 50 and 65 but was then associated with lower rates in people older than 66. Using findings from self-reported data, the researchers confirmed aspects of their results in mice.

Insulin-like growth factor 1 (IGF-1) is a protein in the body that aids in development. When it is deficient in humans and mice, researchers have noted a reduction in age-related diseases. Protein intake impacts its activity, with less protein corresponding to less activity. Based on this, the resea...

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