How did primitive tribes learn about sanitation? How did they learn that fecal matter near a water supply was bad?

Question

Was everyone just sick all the time? How did they keep everyone from dying?

In: 12

Answer 1

The question itself points us in wrong direction. They haven’t learned, but this instinct was acquired during natural selection. The species that have stayed clear of infected waters, had a better chance of surviving and passing on their genetic material. Natural selection did all the hard learning work