THURSDAY, Oct. 30, 2025 (HealthDay News) — Puberty is the time when children’s bodies start to make hormones that lead to physical changes and signs of maturation. It prepares the body for ...

More girls are hitting puberty at eight or earlier. Researchers are exploring the causes, the consequences and what should be done.

Reproductive timing matters when it comes to aging and age-related disease. In a study now online at eLife¸ Buck researchers determine that girls who go through puberty (the onset of menstruation) ...

For decades, girls have been starting menstruation at increasingly younger ages. A new Harvard study has confirmed this trend, showing that the onset of first periods continues to occur progressively ...

Genes can indirectly influence the age at which girls have their first period by accelerating weight gain in childhood, a known risk factor for early puberty, a Cambridge-led study has found. Other ...

Before age 13, growth rates, early puberty signs, and shifting activity levels cause unpredictable weight fluctuations, reflecting highly individual patterns. Trump says agreement reached on Greenland ...