Prions. It's just a superstition but I wouldn't eat veggies grown directly in human manure (although the guy has done and hasn't gotten the sponge-brain: https

Prions. It's just a superstition but I wouldn't eat veggies grown directly in human manure (although the guy has done and hasn't gotten the sponge-brain: https://humanurehandbook.com/ https://humanurehandbook.com/ ) https://en.wikipedia.org/wiki/Prion https://en.wikipedia.org/wiki/Prion