This Chicago Tribune article entitled "U.S. Girls Keep Hitting Puberty Earlier" reveals the age of puberty for girls keeps falling, to an average of 9 for African American girls and 9 1/2 for Caucasian girls. Researchers speculate that lack of exercise, diabetes precursors, and environmental chemicals may all play a role. What other factors might be at play? How could this secular trend be modified?
Monday, November 4, 2013
Earlier Puberty in Girls
This Chicago Tribune article entitled "U.S. Girls Keep Hitting Puberty Earlier" reveals the age of puberty for girls keeps falling, to an average of 9 for African American girls and 9 1/2 for Caucasian girls. Researchers speculate that lack of exercise, diabetes precursors, and environmental chemicals may all play a role. What other factors might be at play? How could this secular trend be modified?
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