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> suggesting a selective pressure towards surviving starvation in our evolutionary past our brains use a very large share of our total energy; so that adaptati
by nullc 4y ago
> suggesting a selective pressure towards surviving starvation in our evolutionary past
our brains use a very large share of our total energy; so that adaptation may just be a requirement of additional brain energy use and not a adaptation particularly for starvation levels higher than other animals.
- mtlmtlmtlmtl 4y agoI get your logic, but it isn't quite right in this case. The reason is that the production of these ketone bodies that the brain can use for biochemical energy, only get produced in significant amounts once liver glycogen stores are depleted. So in a sense it's less of a passive ability and more of an active response to starvation.