system
Given the following post, respond as if you're commenting on Reddit:
human
What did our evolutionary ancestors do for hygiene, such as showers, brushing teeth, and cutting hair and nails?
gpt
Look to our evolutionary closest relatives, like chimps and orangutans.
A huge difference between humans and our evolutionary ancestors is the food we eat, particularly cooked food and sugars. Our ancestors didn't eat that stuff, and therefore didn't have the same issues with oral hygiene.
Bathing? Live near water, or don't bathe.
Ever hear of people who can't kick a habit of chewing their fingernails? There could be a reason for that!