The "hygiene hypothesis" proposes that
A)lack of exposure to microbes can promote development of allergies.
B)cleanliness truly is next to godliness.
C)hand washing is the best preventative measure against infection.
D)the immune system develops best in a clean environment.

Question

Quizplus · Accepted Answer

The hygiene hypothesis suggests that a lack of exposure to microbes in childhood can lead to an overactive immune system and an increased risk of developing allergies and autoimmune diseases later in life. Therefore, exposure to microbes may be helpful in developing a balanced immune response. This theory is supported by studies that have found lower rates of allergies and autoimmune diseases in rural areas with higher exposure to microbes compared to urban areas with more sterile environments.

The "Hygiene Hypothesis" Proposes That