When you run, your body burns a mixture of carbohydrate and fat. Your body stores carbohydrate as glycogen in your muscles and liver (the fitter you are the more you store), which is broken down to ...

A new study from scientists at the Buck Institute for Research on Aging has revealed a surprising player in the battle against Alzheimer's disease and other forms of dementia: brain sugar metabolism.

Glycogen, the muscle's primary fuel source during exercise, is replenished more rapidly when athletes ingest both carbohydrate and caffeine following exhaustive exercise, new research shows. Athletes ...