# Unpopular Opinions You Can’t Prove **URL:** \ **Category:** In My Humble Opinion\ **Created:** [September 21, 2020, 2:38pm UTC](https://boards.straightdope.com/t/unpopular-opinions-you-can-t-prove/921148 "2020-09-21T14:38:47Z")\ **Posts on this page:** 1\ **Showing post:** 27
**Author:** ![Dr\_Paprika](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/dr_paprika/32/3042_2.png) [@Dr\_Paprika](https://boards.straightdope.com/u/Dr_Paprika)\ **Post date:** [September 22, 2020, 10:38pm UTC](https://boards.straightdope.com/t/unpopular-opinions-you-can-t-prove/921148/27 "2020-09-22T22:38:08Z")
> [@Viruses Are Profoundly Strange](https://boards.straightdope.com/t/viruses-are-profoundly-strange/850687/1): > > Have been reading up on virology and the history of infectious disease. You’d think we know a great deal about them. In medical school, we learned about the 250 or so viruses that infect people. We learned less about the trillions of microbes, three pounds worth, each person carries. Maybe 40,000 species. We don’t know much about them. They help us digest 10 percent of our calories and extract certain vitamins. Viruses are weird. Most of them infect bacteria and have no effect on us. No… --- _[View the full topic](https://boards.straightdope.com/t/unpopular-opinions-you-can-t-prove/921148)._