“In just such a way, natural life expectancy should conform to a bell-shaped curve, the extreme end of which is 120 years. If 120 is the far edge of the curve, where is the center? The answer is 100, meaning that 100 years of age is the median.”
Walter M. Bortz II M.D.

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Walter M. Bortz II M.D.

Longevity and healthy aging expert.