This presentation turns traditional thinking about exercise on its head. So if you are doing long-distance running or other endurance events (triathlon, etc.), this presentation by Cardiologist Dr. James O’Keefe should be a real wake-up call. Their research has shown considerable damage to the heart muscle after about 40 minutes of exercise. And that running faster than a 7 minute-mile is also damaging to the heart. So what is the epitome of health? Opposite of what we once believed.
http://tedxtalks.ted.com/video/Run-for-Your-Life-At-a-comforta
