Johan Auwerx: Enjoying youthful vitality as we age

Eventually, we will all face the challenges that come with old age. We will have less strength and energy than we once had. But what if it were possible to rekindle the drive and physical endurance of youth as we grow older? Prof. Johan Auwerx directs the Laboratory for Integrated and Systems Physiology at École Polytechnique Fédérale (EPFL) in Lausanne, Switzerland, where he studies the mechanisms that control how metabolisms are controlled and the factors that make them more or less e...