The belief that children's immune systems need to be exposed to microbes is called the:
A) sterile environment theory.
B) hygiene hypothesis.
C) spore theory.
D) immunity hypothesis.
Correct Answer:
Verified
Q2: What is a benefit of physical activity
Q5: For a class project, Casey is asked
Q6: An asthmatic child gets shots in the
Q9: Due to earlier diagnosis and treatment, chronic
Q10: Today, children who are in the middle
Q11: Which problem is often seen in obese
Q24: The health habits that children develop during
Q38: Which factor contributes to the decline in
Q65: Since 1980 the rate of childhood asthma
Q76: Asthma is a disorder caused by _
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents