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Study: Some Girls Without Dads Hit Puberty Earlier

(Sept. 19) – Girls from higher income families without a biological father at home are more likely to hit puberty earlier than their peers, according to a new study. Researchers from the University of California at Berkeley surveyed 444 girls aged 6 to 8 years in northern California. Over two years, scientists...

Chinese Infant Formula Fracas: Breast Growth in Babies Prompts Investigation

(Aug. 12) -- Chinese officials are investigating claims that female infants in the country are developing breasts, allegedly because of tainted formula produced by Synutra International, a Qingdao-based formula company. Four infant girls, so far, seem to show signs of extremely premature puberty. Hormone tests revealed...

Is 'Precocious Puberty' a Health Hazard for American Girls?

(Aug. 9) -- American girls are undergoing puberty earlier than ever, some of them developing breasts by age 7. Now, armed with a spate of research accumulated over the past decade and a new study published today, health experts are voicing concerns over the physical -- and psychological -- implications. What does the...

Study: Carnivore Diet May Trigger Girls' Early Puberty

(June 11) -- High-meat diets among young girls may lower the age at which they reach puberty, potentially putting them at greater risk for life-threatening diseases, according to a new British study. The University of Bristol study, published in the latest issue of Public Health Nutrition, shows that girls who ate more...