Tanner stages track five milestone physical changes during puberty for both boys and girls. Early puberty in females starts before age 8, and before age 9 in males. Delayed puberty is when girls don't ...

Learn about the significant impacts of delayed puberty on children's growth, development, and emotional well-being, and the ...

New research shows girls are entering puberty earlier, with some as young as eight, whereas, previously, average onset was 10 ...

In the first-ever genome-scale analysis of the puberty process in humans, researchers at Huntsman Cancer Institute (HCI) at the University of Utah (U of U) outline distinct and critical changes to ...

A sweeping review of 12 international cohort studies shows that heavier boys, especially those carrying excess weight after age six, reach key puberty milestones sooner, reshaping how parents and ...

Sugar, aspartame (Equal), sucralose (Splenda) and glycyrrhizin (licorice root) are all significantly associated with a higher risk of early puberty, particularly in genetically predisposed children, ...

A new Danish study shows that children without siblings or with half- or step-siblings enter puberty significantly earlier than children with biological siblings. The study provides new insights into ...

Add Yahoo as a preferred source to see more of our stories on Google. Puberty lessons, as part of sex education, typically begin in the fifth grade. Many experts say that's too late. (Collage: Getty ...