Exposure to ubiquitous chemicals known as PFAS, or per- and polyfluoroalkyl substances, may delay puberty in girls, new research indicates.
The study is the first to consider the role hormones play in the delay, according to researchers from the University of Cincinnati....
More girls started puberty before age 8 during the COVID-19 pandemic, a phenomenon called precocious puberty, researchers say.
The reasons include potential risk factors such as increased screen time and less exercise, according to a new study, published online Aug. 3 in...
Birth control pills that contain both estrogen and progestin do not contribute to growth of enlarged breasts in teens and young women, a new study finds, and may actually be associated with developing less severe breast enlargement.
Moreover, the combination pills don't ...
Everyone knows that your metabolism peaks in your teenage years, when you're fit and active and feeling your oats.
And everyone knows that a person's metabolism slows down in middle age, as bodies start to expand and sag, and become less energetic.
But that's all w...
Teens may be much more diverse in their gender identities than widely thought, a new study suggests.
In a survey of nearly 3,200 high school students in one U.S. school district, researchers found that almost 10% were "gender-diverse." That meant they identified as a gen...
CBD oil used to curb seizures in a 2-year-old with epilepsy may be linked to the boy developing signs of a very early puberty, a British case study reports.
The incident is outlined in the April 15 issue of the journal BMJ Case Reports.
Doctors reported th...
Kids who reach puberty earlier than other kids are at an increased risk of harming themselves as teens, British researchers report.
"Our study is the first to investigate the relationship between the timing of puberty and self-harm using an objective measure of pube...
Girls are entering puberty about a year earlier than they did back in the 1970s, according to global data on breast development.
The age of breast development -- which represents the first clinical sign of female puberty -- has declined an average three months per de...
Suppressing puberty in a child who's questioning their gender identity might seem extreme, but the therapy is relatively safe and could significantly lower their risk of suicide, a new study reports.
Adolescents who wanted and received puberty suppression were 60%...
It's a no-brainer -- not getting enough sleep makes it harder for kids to learn. And a new study finds that starting school later in the morning can help teens be more alert during the day.
In 2017, the Cherry Creek School District in Greenwood Village, Colo., chan...
Older women who started menstruating at an early age have an increased risk of high blood pressure, new research suggests.
For the study, scientists analyzed data from nearly 7,900 women in China. The investigators found that early-onset menstruation was linked to a...