Why Your Body Is Built To Run Long Distances Marathons are very popular all around the world, but were humans built for endurance running? Facebook Prev Article Next Article Health Checkout these cool gadgets... Related Posts Your Brain on Marijuana Bionic Eye Lets Man See for First Time in a Decade and 22 More Amazing Facts about the Human Body Possible Treatments For Cancer – DCA & Immunotherapy? Scientists Turn Blood Cells Into Neurons Cows Produce Human Milk In China New Hair Loss Treatment Could Mean the End of Baldness