In industrialized countries, the average age at which puberty begins has been decreasing largely due to
A) better childhood nutrition.
B) an increase of safer sex practices.
C) improved educational practices.
D) all of the above.
E) none of the above.

Question

Quizplus · Accepted Answer

Better childhood nutrition is a key factor in the decreasing age of puberty onset in industrialized countries, as improved nutrition supports earlier physical development.

In Industrialized Countries, the Average Age at Which Puberty Begins