We humans are the best long-distance runners on the planet. Better than any four-legged animal. In fact, thousands of years ago we used to run after our prey until they died of exhaustion.
 | A Super Chill Alternative To Alcohol And How to Drink It |
 | 20 Great Reasons To Be Fit |
 | The 5 Biggest Regrets People Have Before They Die |
 | The Top 25 U.S. Cities For Fit Millennials |
