Boys Are Reaching Puberty Earlier, Study Says It turns out that girls aren't alone in
hitting puberty earlier. A new study in JAMA Pediatrics showed that the average age of puberty has dropped from 14.2 years in 1947 to 13.7 years in 1996. Dr. Cora Breuner, Seattle Children's Hospital The trend has been partially attributed to increases in childhood body mass index (BMI) over time. Other factors may include nutrition,
socioeconomic environment or exposure
to hormone-disrupting chemicals. Researchers say further studies will also consider exposure to devices and mental health issues.
hitting puberty earlier. A new study in JAMA Pediatrics showed that the average age of puberty has dropped from 14.2 years in 1947 to 13.7 years in 1996. Dr. Cora Breuner, Seattle Children's Hospital The trend has been partially attributed to increases in childhood body mass index (BMI) over time. Other factors may include nutrition,
socioeconomic environment or exposure
to hormone-disrupting chemicals. Researchers say further studies will also consider exposure to devices and mental health issues.
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