system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Before the germ theory of disease what rationale did people have for washing their hands or engaging in sanitary activities?
gpt
The first guy to suggest it was laughed at.

"Semmelweis could offer no acceptable scientific explanation for his findings, and some doctors were offended at the suggestion that they should wash their hands and mocked him for it."