New culprit in muscle defects, insulin resistance that come with age

Type 2 diabetes is a widespread problem for many people these days, and our risk for insulin resistance and diabetes only grows as we age. Now, a new report in the May issue of Cell Metabolism reveals a new contributor to the problem: The muscles of elderly people and of people with type 2 diabetes contain lower concentrations of a protein known as PARL (short for "presenilin-associated rhomboid-like").

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