Why is everyone getting food allergies?
Unexplainable
00:00
The Hygiene Hypothesis and Allergies
Scientists have no idea why allergies are going up so much. One of the best guesses is this idea called the hygiene hypothesis. We've seen allergies rise with development in countries as sanitation has improved. More scientists are advocating for a graduated and deliberate way of exposing infants and toddlers to potential allergens.
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