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Since the mid-1800s, the maximum human life expectancy has increased by about three months per year. Many people would like to see lifespans continue to increase, and scientists have been asking how easily it can be achieved.
A recent report by University of Minnesota College of Biological Sciences Professor Craig Packer, PhD, along with colleagues from many other institutions, presents evidence that nature has placed constraints on how much the underlying rate of aging can be slowed. This implies that the recent increase in life expectancy had nothing to do with slower aging.