Which Statement Concerning Atopic Dermatitis (AD) in Children Is Correct

Which statement concerning atopic dermatitis (AD) in children is correct?

A) In the United States there has been a decrease in the number of children with AD in the past 10 years.
B) AD develops in 45% of affected children in the first 6 months of life.
C) AD develops more commonly in rural populations where there is more exposure to antigen triggers.
D) Having AD as a young child is protective for developing other atopic diseases.
E) AD resolves as a child reaches adolescence.