This is similar to the Hygiene Hypothesis for allergies and autoimmune disorders: https://en.wikipedia.org/wiki/Hygiene_hypothesis https://en.wikipedia.org/wiki

This is similar to the Hygiene Hypothesis for allergies and autoimmune disorders: https://en.wikipedia.org/wiki/Hygiene_hypothesis https://en.wikipedia.org/wiki/Hygiene_hypothesis Nassim Taleb's Antifragility concept is relevant here as well: https://en.wikipedia.org/wiki/Antifragility https://en.wikipedia.org/wiki/Antifragility