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by ODILON_SATER 1468 days ago
Kids staying at home, in overly sanitized environments, and socializing much less with other children. Their immune systems don't get "trained" as much. Not saying that you should let your child lick public restrooms knobs. But there is a balance. It is called the "Hygiene Hypothesis". I think it was niche idea a while ago but I think it is pretty much accepted now.