Rare Variants in One Gene May Help The Body Burn Fat Instead of Storing It

What if some people were born with a metabolic setting that made them healthier by keeping fat out of their liver and blood, lowering blood sugar, and preventing type 2 diabetes? It could help them avoid many health problems.  In a study of more than one million people across three continents, published in Nature, researchers identified rare mutations in one gene that appear to offer remarkable protection against diabetes, heart disease, and other cardiometabolic conditions.