Metabolism causes damage causes pathology. 100,000 people/day die to aging - the greatest cause of suffering on Earth. Don't be stuck in a pro-aging trance! If we can do constant repairs on an automobile throughout its life and see it run like brand new 100 years later, why can't we constantly repair the human body as it gets damaged over the years? Check out SENS Research Foundation's 7 ways aging damage occurs and how we can repair it: http://www.sens.org/research/introduction-to-sens-research