system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why is human feces so dangerous but animals can go anywhere in nature and it feeds the environment?
gpt
It's dangerous to us because other humans can excrete human-hungry pathogens in theirs and make other people sick. Our microfauna also varies from person to person, so being exposed to others' feces can mess with one's microbiome.