Define the hygiene hypothesis Discuss autoimmune disorders.

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• Business Environment
•  
• Case Studies
• CASE STUDY (20 Marks)
• This case study focuses on the relationship
  between the micro biome (the suite of species
  that live in or on the human body) and autoimmune
  and allergic diseases. At the center of the case
  is Amelia, a young woman living with Crohn's
  disease. As the case unfolds, students learn
  about the hygiene hypothesis that modern,
  "cleaner" living conditions may be linked to the
  rise of autoimmune disorders throughout the
  developed world. After students learn the basics
  of the hygiene hypothesis, they are asked to
  design an experiment to test it.

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• They are then introduced to some of the
  modern experimental treatments for autoimmune
  disorders, including fecal transplants and worm
  therapy. These treatments aim to restore a more
  diverse micro biome to the human body. The case
  ends by relating the human body to an ecosystem,
  and asks students to think about how ecological
  principles are being used to treat human
  diseases. The case was written for a sophomore
  level biodiversity class and a sophomore level
  physiology class, but could easily be used in
  introductory biology or similar courses.

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• Answer the following question.
•  
• Q1. Define the hygiene hypothesis? Discuss
  autoimmune disorders.
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• Q2. Relate ecological ideas to human health and
  evaluate treatment options.
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