Scientists now believe that a human's true life span is between 110 and 120 years. Live Longer will help you approach those triple digits and feel better than you ever dreamed by fighting off illness, cleaning up your lifestyle, defusing your genetic time bomb, and determining your "real age" - and then lowering it. Idea #4: Boost your immune system, Idea #10: Time for an oil change? Idea #22: Walk the walk, Idea #26: The sleep solution, Idea #39:...