'Yet, as microbiome experts Alan Walker of Aberdeen university and Lesley Hoyles of Nottingham Trent University pointed out recently, in the journal Nature Microbiology, all the excitement “has unfortunately also brought with it hype and entrenched certain misconceptions.” Their article knocks down 12 myths about the microbiome, ranging from exaggerations about its size and weight to misconceptions about the association between some microbial patterns and disease.'
https://www.ft.com/content/00619403-fd1a-483b-b67a-ac84112553b2