Why Avoiding High-Fat Granola Bars Before a Run Prevents Sluggishness
A high-fat granola bar before your run may sabotage your stride—discover how fat slows digestion and steals blood flow from your muscles.
Why Avoiding High-Fiber Cereals Before a Run Prevents Cramps
People avoid high-fiber cereals before running—but what happens in the gut could surprise you and change how you fuel.
