Cardio sucks. Everyone knows it – and it’s particularly a thorn in the side of strength athletes and bodybuilders. However, the benefits of cardio for heart health and endurance are well known. As the fitness industry continues to grow in the mainstream – cardio has become a must-do activity for athletes and the regular person. In fact, it’s not uncommon to be guilted for not including cardio into your lifestyle – at risk of your life longevity. While cardio certainly has wonderful benefits, Mike O’Hearn believes many athletes are actually hurting their fitness goals with too much cardio. Pro bodybuilder and powerlifting legend Stan Efferding agrees. In Generation Iron and Barbend’s latest episode of the Mike O’Hearn Show, Stan Efferding explains how most fit individuals are doing way too much cardio.