
Over the centuries, mankind has slowly reduced the risks and hazards that even as recently as a century ago kept life expectancy to a mere 45 years. Our average lifespan has improved to 77 years by remarkable progress in public health and safety. But with this improvement has...

Over the centuries, mankind has slowly reduced the risks and hazards that even as recently as a century ago kept life expectancy to a mere 45 years. Our average lifespan has improved to 77 years by remarkable progress in public health and safety. But with this improvement has...