78K views · 159 reactions | What would you do if you ran into a rattlesnake? Hazen Audel knows what to do when he encounters one while running in Copepr Canyon, Mexico. #PrimalSurvivor | National Geographic TV | Facebook

Most people think running is the ultimate way to stay fit… but did you know long-distance running can actually lower your testosterone? Mark Sisson, primal health pioneer and founder of Peluva barefoot shoes, explained on The Dr. Josh Axe Show why endurance athletes often end up burned out, with hormones tanked, and struggling to recover. On the flip side, resistance training and short bursts of sprints raise testosterone and growth hormone—helping your body feel alive, strong, and resilient. Th