The lady from the screen looks sad, and says that her child has constant allergies, it is completely unclear what. After all, she feeds him only with exclusively natural products, even instead of sweets and cakes only useful dried fruits.
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People rarely have a short memory. And what were allergies when "chemistry was not"? The hint is Quincke's swelling on strawberries; allergy to bee pollen and honey; seed fever, allergy to berry pollen, cat wool. All that is natural, no chemistry, one consistent physics. Allergy is here.