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.
The farther you run every day, the more calories you burn. The more calories you burn, the more weight you can lose. If you run faster, you will burn a few more calories per mile. But if you slow down and run more, you use up a lot more calories.