Interesting thought. I was raised in a rather hygienic house. I started mountain biking a lot. Part of which is regularly eating a banana covered with all sorts

Interesting thought. I was raised in a rather hygienic house. I started mountain biking a lot. Part of which is regularly eating a banana covered with all sorts of filth from a backpocket. IMO I got much more social and less awkward in my late 20s. Could this be improved microbioma?