What if Humans were Designed to Last?

Technologies are emerging that extend survival by delaying death from chronic fatal diseases. Pushing this envelope may briefly quench our insatiable thirst for extended life and temporarily quell our fear of death, but continuing to do so may turn out to be harmful unless it soon becomes possible to scientifically engineer an extension of the vigor of youth in both body and mind. In this article we go beyond usual scientific reasoning and imagine how the human body might have been designed differently if biology were goal-oriented.

Read the entire article at The Scientist.