Publishing his paper on cell senescence was a distressing process for Dr. Hayflick that was contested by many other scientists in his field. Years later, cell senescence is widely accepted as an obvious fact. Now that the phenomena of cellular senescence is recognized as accepted knowledge, you might be wondering what you should do with this information. Surely something as involuntary and unmanageable as this happening inside your body isn’t of much importance to your life in the long run, right? Jack Russo and Dr Leonard Hayflick talk about the science behind manipulating our longevity and health as we age.