Quote:
Originally Posted by pai mei
It's not about running it's about lifestyle. People living in what we call "nature" and moving around all day are healthy people. They can live long, not die at 20 years after a very hard life, like everyone imagines. Yes life was hard, for one of us if you teleport yourself among them you will find it very hard.
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While progress is not linear, and we, individually, are not necessarily smarter or more civilized than people in the past, we know the life expectancy of people in the past and it was much shorter than today.
In 1900 average life expectancy was 31 years.
Even in a developed nation, like the US, life expectancy in 1900 was 47 years.
Life expectancy in the Roman empire was 25 years.
Sanitation and vaccines have had a huge impact on people's health. Whatever negative impact of a sedentary life-style in modern times, it is more than overcome by the spread of sanitation and vaccines.