Neuroscience

Stress wracks worm nerves, leaving lasting memories

Scientists stunted the puberty of male worms by starving them before they underwent sexual maturation. In a study funded by the National Institutes of Health, the scientists suggested that stress from starvation even days ...

Health

Pyrethroid pesticide exposure appears to speed puberty in boys

Environmental exposure to common pesticides may cause boys to reach sexual maturity earlier, researchers have found. They will present their study results Saturday at the Endocrine Society's 99th annual meeting in Orlando, ...

Neuroscience

Control of fertility: A new player identified

Individual small RNAs are responsible for controlling the expression of gonadoliberin or GnRH (Gonadotropin-Releasing Hormone), a neurohormone that controls sexual maturation, the appearance of puberty, and fertility in adults. ...

Pediatrics

Bodily changes don't always signal 'precocious' puberty in kids

(HealthDay)—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 ...

Medical research

New clues in mice link cholesterol to fertility

Whether made by the body or ingested through diet, cholesterol plays a vital role in cells. Cholesterol also is a building block of steroids and hormones, including those that trigger puberty and support pregnancy. A new ...

Oncology & Cancer

Scientists use laying hens to study fibroid tumors

An estimated 70 percent of women in the United States develop fibroid tumors in the uterus by age 50, and while the noncancerous tumors cause no symptoms for the majority of those women, they make life miserable for tens ...

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