Interview: Dean Karnazes Makes Marathoners Look Lazy

Think one marathon is tough? Try 50, in 50 states, on 50 consecutive days. Dean Karnazes has. He’s also run 350 miles in 82 straight hours, raced in 120-degree heat and in below-zero temperatures and thinks 31 miles counts as…

Extreme Altitude Mt Everest – Mayo Clinic

What do extreme athletes who can summit the peaks of Mt. Everest have in common with people with heart failure? The answer is: more than you might think. Researchers at Mayo Clinic say climbers or anyone exposed to extreme altitudes…