By Brad Stulberg on
Harness physical (and mental) stress to make you stronger, rather than putting your body in a state of chronic disrepair.
After you finish a run, white blood cells rush biochemicals to your legs, where they rebuild your exhausted muscles. This process can last from a few hours to a few days, depending on the damage incurred. During this time, you may feel fatigued, achy and sore: that’s your nerves sending ...