Flashback Friday: What Causes Insulin Resistance & Diabetes?

published 8 months ago by Michael Greger M.D. FACLM

Prediabetes and type 2 diabetes are caused by a drop in insulin sensitivity blamed on “intramyocellular lipid,” the buildup of fat inside our muscle cells. Saturated fat can be toxic to the insulin-producing beta cells in the pancreas, explaining why animal fat consumption can impair insulin secretion, not just insulin sensitivity.

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