Determine whether childhood exposure to livestock provides the challenges necessary for the young immune system to grow strong enough to later fight off asthma and allergies. Discover how the modern trend toward "supercleanliness" can affect health.

Concepts

allergies, asthma, microbes, microorganisms

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Additional Tags

human immune systems, erika von mutius, pbs, the hygiene hypothesis, immune system

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Classroom Considerations

• Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)

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