A January 2020 study (on mice) by Yale University found mixed results by following a ketogenic diet. Short term health benefits were followed by some negative effects. There appears to be some benefit in lowering inflammation and reducing the risk of diabetes. Researchers said, “Obesity and type 2 diabetes are lifestyle diseases … Diet allows people a way to be in control … Our findings highlight the interplay between metabolism and the immune system, and how it coordinates maintenance of healthy tissue function,"