Boys hitting puberty up to 2 years earlier: Study
Published on Oct 21, 2012 6:18 AM
WASHINGTON (AFP) - Boys in the United States are hitting puberty as much as two years earlier than in previous decades, according to a new study out on Saturday from the American Academy of Pediatrics.
The study suggests a well-documented trend seeing girls hit adolescence earlier than their historic counterparts has been mirrored among boys.
However, the authors said the causes of change, or what it could mean for public health, remain unclear.
African-American boys were generally the earliest to start puberty, with boys as young as nine years old showing signs of maturation, according to data on more than 4,000 boys in 41 states, provided by their pediatricians' offices.
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