Will we soon be able to cheat disease and death and live for a very long time, possibly many times our current lifespan? Why We Die, Ramakrishnan takes us on a riveting journey to the frontiers of biology. He explains the latest scientific understandingof exactly why we age and how we might prevent it. He examines the cutting-edge efforts to extend lifespan by altering our natural biology and raises profound questions. Might death serve a necessary biological purpose? As science advances, what will itmean for us all if people start living longer? And how can we increase our chances of living long, healthy and fulfilled lives?