Breadth of The Hypothesis
The hygiene hypothesis has expanded from eczema and hay fever to include exposure to several varieties of microorganisms and parasites, with which humans coexisted throughout much of our evolutionary history, as necessary for balanced and regulated immune system development. In recent times, the development of hygienic practices, elimination of childhood diseases, widespread use of antibiotics, and relative availability of effective medical care have diminished or eliminated exposure to these microorganisms and parasites during development. Examples of organisms that may be important for proper development of T regulatory cells include lactobacilli, various mycobacteria, and certain helminths.
Read more about this topic: Hygiene Hypothesis
Famous quotes containing the words breadth of, breadth and/or hypothesis:
“The breadth of the problem is great, for the poet is representative. He stands among partial men for the complete man, and apprises us not of his wealth, but of the commonwealth.”
—Ralph Waldo Emerson (1803–1882)
“The breadth of the problem is great, for the poet is representative. He stands among partial men for the complete man, and apprises us not of his wealth, but of the commonwealth.”
—Ralph Waldo Emerson (1803–1882)
“Oversimplified, Mercier’s Hypothesis would run like this: “Wit is always absurd and true, humor absurd and untrue.””
—Vivian Mercier (b. 1919)