New research shows that starting puberty earlier than classmates may increase anxiety and emotional struggles, especially for ...

More girls are hitting puberty at eight or earlier. Researchers are exploring the causes, the consequences and what should be done. When Lola was eight years old, she went through a massive growth ...

Zaria was just 9 years old when a nurse practitioner delivered news that rocked her world: The young girl was already showing signs of puberty development, and she was on track to get her period ...

Why do some teens wind up with mental health and substance abuse problems? It's something researchers have worked to explain over the years, pointing to everything from parenting styles to genetic ...

Children are starting puberty earlier than in the past, potentially due to a combination of environmental, lifestyle, and metabolic factors – but the reasons why are still puzzling scientists. On ...

SACRAMENTO, Calif. — American girls are entering puberty at earlier ages, putting them at far greater risk for breast cancer later in life and for all sorts of social and emotional problems well ...

No person on Earth remembers the emotional and physical changes that came with adolescence fondly – or at least not entirely. As important as puberty is as a developmental milestone, bridging the gap ...

WASHINGTON—Girls exposed to certain endocrine-disrupting chemicals (EDCs) may be more likely to start puberty early, according to new research published in Endocrinology, the flagship basic science ...

New research shows that girls in the US are getting their first periods earlier. Exposure to toxic air is partly to blame. For several decades, scientists around the world have become increasingly ...

Hormone-warping chemicals found in cosmetic products could explain the 'alarming' trend of girls starting their periods earlier than ever before. A US government-backed study has found that these ...