Biology, asked by Auroshree0, 10 months ago

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How does the general cleanliness of the surroundings help in preventing allergies!
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Answered by dadslover919
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The argument that too-clean environments contribute to allergies is called the “hygiene hypothesis.” Generally, the idea is that exposure to germs and infection helps build the immune system, which can protect against allergies and asthma. Some experts have associated cleanliness with allergies for several years.

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