The epidemiologist who proposed the hygiene hypothesis found that:
A)hay fever and eczema were less frequent in families with more children.
B)allergies were more common in families with more children.
C)reduced exposure to infectious agents protected against the development of allergies.
D)dander from domestic animals caused allergies.

Question

Quizplus · Accepted Answer

The hygiene hypothesis suggests that a lack of early childhood exposure to infectious agents, microorganisms, and parasites increases susceptibility to allergic diseases by suppressing natural development of the immune system. The epidemiologist observed that children in larger families, who were exposed to more infections, had lower rates of allergies like hay fever and eczema.

The Epidemiologist Who Proposed the Hygiene Hypothesis Found That