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Delayed Puberty - Male News

Why Teen Mental Ability Surges While Brain Shrinks

Posted 6 Jun 2017 by Drugs.com

TUESDAY, June 6, 2017 – Scientists say they have an answer to a persistent and quirky puzzle about brain development. They've long known that the brain's gray matter decreases in volume during adolescence – even though mental performance improves dramatically from childhood to young adulthood. Gray matter is the tissue in brain areas involved in seeing and hearing, memory, speech, emotions, decision making and self-control, among other things. While it shrinks in volume during adolescence, a new University of Pennsylvania study finds it becomes more dense to compensate. And while girls have lower brain volume than boys, proportionate to their smaller size, their gray matter is more dense. That may be why their mental skills are comparable, researchers said. "It is quite rare for a single study to solve a paradox that has been lingering in a field for decades, let alone two paradoxes," ... Read more

Related support groups: Menstrual Disorders, Premenstrual Dysphoric Disorder, Premenstrual Syndrome, Period Pain, Dysmenorrhea, Delayed Puberty - Male, Diagnosis and Investigation, Head Imaging

DNA Identified That Dictate Puberty's Onset

Posted 26 Apr 2017 by Drugs.com

TUESDAY, April 25, 2017 – Hundreds of new genes tied to the start of puberty have been identified. Researchers analyzed data from nearly 369,000 women and pinpointed 389 genetic signals linked to the timing of puberty. That's four times the number that had been known. The study also found new genetic evidence linking earlier puberty to increased risk in later life for several cancers that are sensitive to sex hormones. Those include breast, ovary and endometrial cancers in women, and prostate cancer in men. "Previous studies suggested that the timing of puberty in childhood was associated with risks of disease decades later, but until now it was unclear if those were circumstantial observations, for example, secondary to other factors such as body weight," said study senior author John Perry. He is a senior investigator scientist in the epidemiology unit at the University of Cambridge ... Read more

Related support groups: Precocious Puberty, Delayed Puberty - Male, Prepubertal Cryptorchidism

Have Scientists Found 'Virginity Genes'?

Posted 18 Apr 2016 by Drugs.com

MONDAY, April 18, 2016 – Parents, when you have "the talk" with your kids, keep these new study findings in mind: Genetic makeup may help determine when people lose their virginity. The study results matter because people who have sex and babies earlier appear to fare worse educationally and have poorer physical and mental health, said study co-author Ken Ong. "Genes influence the ages of first intercourse and first birth by acting on both personality and physical characteristics," said Ong. He is an epidemiologist with the University of Cambridge in England, who analyzed genetic data of hundreds of thousands of people. Researchers have previously linked the start of puberty to genetic factors, but Ong said it wasn't known how genes may affect the timing of first sex and when females first give birth. The new study finds a "moderate genetic component" for both, although not a direct ... Read more

Related support groups: Birth Control, Contraception, Emergency Contraception, Postcoital Contraception, Delayed Puberty - Male, Precocious Puberty

Excess Weight Has 'Unexpected' Effect on Puberty Onset in Boys

Posted 27 Jan 2016 by Drugs.com

WEDNESDAY, Jan. 27, 2016 – Excess weight can delay or speed up puberty in young boys, depending on how many extra pounds they carry, a new study suggests. Overweight boys tend to enter and finish puberty somewhat earlier than usual, researchers found in a study of nearly 3,900 males aged 6 to 16. But boys who have become obese appear to go through puberty slower than boys who weigh less, according to study results published Jan. 27 in the journal Pediatrics. "We found something we didn't expect, which is obese boys go later but overweight boys seem to go earlier," said study author Dr. Joyce Lee, an associate professor of pediatrics and public health at the University of Michigan, in Ann Arbor. "You would expect a linear relationship between weight and the timing of puberty, but we found that isn't the case." The female hormone estrogen is a suspected cause for these shifts in the ... Read more

Related support groups: Obesity, Weight Loss, Precocious Puberty, Delayed Puberty - Male, Prepubertal Cryptorchidism, Pubertal Gynecomastia

Bodily Changes Don't Always Signal 'Precocious' Puberty in Kids

Posted 14 Dec 2015 by Drugs.com

MONDAY, Dec. 14, 2015 – Children who develop certain signs of puberty at an early age are commonly referred to specialists for an evaluation. But most of the time it's nothing to worry about, says a new report from a leading group of U.S. pediatricians. It's not uncommon for young children to show certain traits associated with puberty, including some pubic hair, underarm hair and the beginnings of breast development, said Dr. Paul Kaplowitz, who led the American Academy of Pediatrics report. He said early signs of sexual maturation are one of the most common reasons that children are referred to pediatric endocrinologists – specialists in treating hormone-related disorders. But the vast majority of those kids do not have so-called "precocious puberty," said Kaplowitz, an endocrinologist at Children's National Medical Center in Washington, D.C. In general, precocious puberty is ... Read more

Related support groups: Precocious Puberty, Delayed Puberty - Male, Prepubertal Cryptorchidism, Pubertal Gynecomastia

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