Tech Support - Doctor Answers Longevity Questions

Dr. Dan Belsky joins WIRED to answer the internet's burning questions about longevity and epidemiology. Why do we grow old and die? Could a "cure" for aging be discovered in our lifetime? Which longevity treatment will be the first to go mainstream? Does exercise increase longevity? How about more sleep? What is the upper limit of human life expectancy? Could we possibly live forever? Answers to these questions and many others await on Longevity Support.