Two decades of rehab couldn't reverse the paralysis in Howard Rocket's left arm until he tried a promising new technology for stroke victims. He and his physiotherapist Sylvia Haycock join Libby to talk about Functional Electrical Stimulation.Plus , Dr. Olga Kovalchuk joins Libby to give a preview of her upcoming ideacity 2015 presentation about epigenetics, and how we can take a personalized approach to combating aging and diseases.