After feeding mice with high blood sugar a keto diet, which is high in fat and low in carbohydrates, researchers saw the diet lowered their blood sugar and improved their response to exercise.

A recent mouse study suggests that low-oxygen conditions, such as being at high altitudes, could cause red blood cells to absorb excess blood glucose, potentially helping to protect against diabetes.

The most frequently given tip for keeping blood sugar in a healthy range is to minimize added sugar intake. It's not the ...