News tagged with sexual maturity


Dark matter DNA active in brain during day-night cycle

(Medical Xpress)—Long stretches of DNA once considered inert dark matter appear to be uniquely active in a part of the brain known to control the body's 24-hour cycle, according to researchers at the National Institutes ...

Medical research created Sep 24, 2012 | popularity 3 / 5 (2) | comments 2 | with audio podcast

Mouse study links delayed female sexual maturity to longer lifespan

An intriguing clue to longevity lurks in the sexual maturation timetable of female mammals, Jackson Laboratory researchers and their collaborators report.

Genetics created May 07, 2012 | popularity not rated yet | comments 0 | with audio podcast

Scientists identify genes linked to Western African Pygmies' small stature

If Pygmies are known for one trait, it is their short stature: Pygmy men stand just 4'11" on average. But the reason why these groups are so short and neighboring groups are not remains unclear. Scientists have proposed various ...

Genetics created Apr 26, 2012 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

Study suggests that obese teen males may become impotent, infertile adults

(Medical Xpress)—A study by the University at Buffalo shows for the first time that obese males ages 14 to 20 have up to 50 percent less total testosterone than do normal males of the same age, significantly increasing ...

Overweight and Obesity created Oct 12, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Boys reach sexual maturity younger and younger

(Medical Xpress) -- Boys are maturing physically earlier than ever before. The age of sexual maturity has been decreasing by about 2.5 months each decade at least since the middle of the 18th century. Joshua ...

Health created Aug 18, 2011 | popularity 5 / 5 (6) | comments 16 | with audio podcast

Obese teen boys have up to 50 percent less testosterone than lean boys

A study by the University at Buffalo shows for the first time that obese males ages 14 to 20 have up to 50 percent less total testosterone than do normal males of the same age, significantly increasing their potential to ...

Overweight and Obesity created Oct 16, 2012 | popularity 5 / 5 (1) | comments 2

Pig brain models provide insights into human cognitive development

A mutual curiosity about patterns of growth and development in pig brains has brought two University of Illinois research groups together. Animal scientists Rod Johnson and Ryan Dilger have developed a model of the pig brain ...

Neuroscience created Mar 14, 2013 | popularity 5 / 5 (1) | comments 0

Boys who mature rapidly have more depression

(Medical Xpress) -- Boys who reach sexual maturity more rapidly than their peers have more problems getting along with others their age and are at a higher risk for depression, according to a Cornell study published in Developmental Ps ...

Psychology & Psychiatry created May 08, 2012 | popularity not rated yet | comments 0 | with audio podcast

BPA exposure in pregnant mice changes gene expression of female offspring

Prenatal exposure to bisphenol A, or BPA, a chemical found in many common plastic household items, can cause numerous genes in the uterus to respond differently to estrogen in adulthood, according to a study using a mouse ...

Health created Jun 26, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Piglets in mazes provide insights into human cognitive development

Events that take place early in life almost certainly have consequences for later cognitive development. Establishing the connections is difficult, however, because human infants cannot be used as laboratory subjects.

Neuroscience created Jul 25, 2012 | popularity not rated yet | comments 0 | with audio podcast

Removal of hypothalamic hamartoma curbs compulsive eating and excessive weight gain

Neurosurgeons at the University of Texas–Houston and Children's Memorial Hermann Hospital (Houston, Texas) report on the success they achieved when they removed a hypothalamic hamartoma (HH) from a 10-year-old girl to combat ...

Surgery created Apr 09, 2013 | popularity not rated yet | comments 0