One theory about the increase in food allergies among children is

A) the environment is too dirty and kids react to it.
B) there are more fresh and organic foods available.
C) the foods tend to be less processed than in the past.
D) the environment might be too clean, and children's immune systems do not develop.

Question

Mikaela Leroy · Accepted Answer

Final Answer : D, Explanation :  The hygiene hypothesis suggests that exposure to infectious agents and microbial organisms in early childhood helps to train and regulate the immune system. Overly sterile environments may contribute to the development of allergies by preventing the immune system from developing properly.

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