Astronauts should not be compared with normal people. They should be compared with other exceptional people. The Apollo astronauts were quite intelligent (whi

Astronauts should not be compared with normal people. They should be compared with other exceptional people. The Apollo astronauts were quite intelligent (which correlates nicely with lifespan and health) and accomplished... and selected to be healthier than most. Their physical training as astronauts was likely irrelevant to their lifespan.