3 ms·
A life expectancy of 50 doesn’t mean “people only lived into their 50s”. We definitely didn’t just gain the ability to live until 90 in the last 50 years. We’ve
by DVassallo 8y ago
A life expectancy of 50 doesn’t mean “people only lived into their 50s”. We definitely didn’t just gain the ability to live until 90 in the last 50 years. We’ve been designed that way (by Mother Nature).
- nkozyra 8y agoIt's the average age of mortality, clearly you're dealing with the mean or mode here. People lived to be 80, 90,100 but that's only part of average lifespan. Once you take out infant and childhood mortality you can see that rising over time.