Evolution Explains Why Exercise is Essential, Especially as We Age.
High levels of physical activity may become even more important for health as one gets older, as suggested by a new paper on something biologists call the “active grandparent hypothesis."
In his recent book “Exercised”, the well-known evolutionary biologist Daniel Lieberman coins a term — exercists— which he broadly defines as people who espouse the benefits, joys, and importance of regular exercise, sometimes to a fault. And we all know those people (or perhaps are those people, not to turn the mirror on myself). While generally well-in…
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