The DNA molecule contains a lot of chemical structures that tell the ribosomes how to create new proteins (that have a lot of functions).
Plus, you can benefit from fat burning even after your run as your body keeps burning fat for 2 to 3 hours after finishing a run. If you want to shed a few pounds, make sure you only ingest liquids and maybe a little protein during that time frame. Training on an empty stomach.
But if a super-high calorie burn is what you're after, you're going to have to sweat it out. Running at a seven-mile per hour pace for one hour burns nearly 700 calories, while swimming at 50-yards-per-minute burns around 550 calories per hour. RELATED: 30 Reasons to Love Running.