Fair enough. I don't have data to support my conclusions, but I subscribe to the Hygiene Hypothesis... humans have lived in filth for millennia, and our bodies

Fair enough. I don't have data to support my conclusions, but I subscribe to the Hygiene Hypothesis... humans have lived in filth for millennia, and our bodies haven't evolved to live in sterile conditions. https://en.wikipedia.org/wiki/Hygiene_hypothesis https://en.wikipedia.org/wiki/Hygiene_hypothesis