> many of these myths are things I’ve never heard before. I’m wondering how prevalent some of these really are. It would be very odd for the average person to

> many of these myths are things I’ve never heard before. I’m wondering how prevalent some of these really are. It would be very odd for the average person to worry about who coined the term "microbiota", how many bacterial cells there are per gram, the weight of the human microbiota, etc. I'm guessing many of these myths are encountered only in niche communities that nonetheless deserve addressing—I'd guess that most of these myths don't interact with the average or median human.