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Getting sick is a very stressful period, physically and mentally. It absolutely ages you.

We're sick far less often nowadays. Common illnesses were more common in previous generations. Back in the day "everyone got measles".

While people fear being "too clean" there is also a downside to being "too exposed".



https://en.wikipedia.org/wiki/Hygiene_hypothesis

The hygiene hypothesis does not suggest that having more infections during childhood would be an overall benefit




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