The Key to Longevity - Discussion Between Dr. Gabrielle Lyon & Dr. Mercola

In this interview, Dr. Gabrielle Lyon, an osteopathic physician, reviews what I believe is one of the best health optimizing strategies there is, namely strength training. She's a graduate of Midwestern University and has spent a good part of her professional career focusing on how to increase strength and muscle mass, which is an often-overlooked foundation for health and longevity.