Hygiene Hypothesis

PBS Learning Media
Contributed By
PBS Learning Media
Resource Type
Classroom Material
Keywords
early childhood exposure microbes asthma allergies Evolution The Evolutionary Arms Race Ericka Von Mutius livestock farming communities immune system evol07_sci_hygienehyp
Subjects
Science
Grade Levels
Grade 9 Grade 10 Grade 11 Grade 12
Related Resources

Hygiene Hypothesis

Learn about the the relationship between early childhood exposure to microbes and later development of asthma and allergies with this video segment from Evolution: The Evolutionary Arms Race. The clip details the work of Ericka Von Mutius, examining whether exposure to livestock in farming communities provides the challenges necessary for the young immune system to grow strong.
Publisher
PBS Learning Media

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