Add Yahoo as a preferred source to see more of our stories on Google. Precocious puberty is when signs of sexual maturity occur earlier than age 8 in a girl and age 9 in a boy. (Photo: Getty Images) ...

Adrenarche—an early, puzzling transition between childhood and adolescence—has long been clouded by inconsistent terminology across pediatrics, endocrinology, and puberty research. A new call for ...

Add Yahoo as a preferred source to see more of our stories on Google. The age when girls hit puberty has been falling at an alarming rate for decades, and scientists have struggled to explain why. New ...

A new study points to a possible factor in the trend of children reaching puberty at younger ages in recent decades. The first-of-its-kind research found that a common chemical, musk ambrette, used to ...

Ten-year-olds developing adult bodies, eight-year-olds needing training bras, and seven-year-olds starting their periods – these scenarios that would have been shocking medical anomalies just a ...

Getting periods too early may point towards underlying health problems. Find out why young girls are getting their periods ...

Girls who enter puberty early have a higher risk of developing overweight later in life—even if they were not overweight as children. This is shown by a new study from Aarhus University, which has ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Kids who are exclusively breast-fed as infants are less likely to ...

During the past couple of decades, the age of puberty onset in US girls has been declining. [1] Although environmental causes have been suspected, the reasons for earlier puberty have been somewhat of ...

She's known about periods since she was three. The experts agree: the best approach is to be open and honest about changing ...

Children who endured abuse or violence in early childhood are more likely to show early signs of biological aging than kids who did not experience such trauma, a new study finds. Early-childhood abuse ...

The age when girls hit puberty has been falling at an alarming rate for decades, and scientists have struggled to explain why. New research suggests a compound found in a wide variety of products — ...