Cleanliness Evolutionary medicine

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contemporary humans - due medical treatment, frequent washing of clothing , body, , improved sanitation - free of parasites, particularly intestinal ones. causes problems in proper development of immune system although hygiene can important when comes maintaining health. hygiene hypothesis says many modern humans not exposed microorganisms have evolved in establishing immune system should be. microorganisms , macroorganisms such helminths mud, animals, , feces play critical role in driving immunoregulation (rook, 2012). play crucial role in building , training immune functions fight off , repel diseases, , protect against excessive inflammation has been implicated in several diseases (such recent evidence alzheimer s disease).








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