News tagged with sexual maturity
New findings about Saprolegnia infections in Norwegian salmon hatcheries
Infections caused by oomycetes (or water moulds) of the Saprolegnia family reappeared as a loss factor in the fish farming industry after the dye malachite green was prohibited for use as a water treatment ...
Dec 13, 2011 |
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Control gene for developmental timing discovered
University of Alberta researchers have identified a key regulator that controls the speed of development in the fruit fly. When the researchers blocked the function of this regulator, animals sped up their rate of development ...
Sep 28, 2011 |
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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 ...
Aug 18, 2011 |
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Shark guardians see momentum to save top predator
Shark defenders hope to capitalize on a series of victories in their fight against the lucrative fin trade, releasing a report Monday calling for sanctuaries to save the world's oldest predator.
Jun 06, 2011 |
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Researchers discover age of onset of puberty predicts adult osteoporosis risk
A team of researchers led by Vicente Gilsanz, MD, PhD, director of Clinical Imaging at The Saban Research Institute of Children's Hospital Los Angeles, determined that the onset of puberty was the primary influence on adult ...
Jan 28, 2011 |
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Researchers unlock 30 new genes responsible for early onset puberty
University of Minnesota School of Public Health researcher Ellen Demerath, Ph.D., is among an international group of researchers that has identified 30 new genes responsible for determining the age of sexual maturation in ...
Dec 01, 2010 |
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Genes link puberty timing and body fat in women
Scientists have discovered 30 new genes that control the age of sexual maturation in women. Notably, many of these genes also act on body weight regulation or biological pathways related to fat metabolism. The study, which ...
Nov 21, 2010 |
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Competing for a mate can shorten life span
"Love stinks!" the J. Geils Band told the world in 1980, and while you can certainly argue whether or not this tender and ineffable spirit of affection has a downside, working hard to find it does. It may ...
Oct 27, 2010 |
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Poor start in life need not spell doom in adulthood
Does the environment encountered early in life have permanent and predictable long-term effects in adulthood? Such effects have been reported in numerous organisms, including humans.
Oct 21, 2010 |
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Girls' early puberty linked to unstable environment via insecure attachment in infancy
Girls are hitting puberty earlier and earlier. One recent study found that more than 10 percent of American girls have some breast development by age 7. This news has upset many people, but it may make evolutionary sense ...
Medicine & Health / Psychology & Psychiatry
Aug 31, 2010 |
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Having brothers delays sexual maturation in women
(PhysOrg.com) -- Scientists in Perth, Western Australia, investigating the costs of brothers and sisters in contemporary Australian society, have discovered that girls with older brothers tend to start menstruation later, ...
Competing for a mate can shorten lifespan
"Love stinks!" the J. Geils band told the world in 1980, and while you can certainly argue whether or not this tender and ineffable spirit of affection has a downside, working hard to find it does. It may even shorten your ...
Aug 09, 2010 |
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Scientists study why the blind salamander lives so long
(PhysOrg.com) -- Scientists have long been intrigued by the longevity of a tiny amphibian known as the blind salamander, but it now seems it may live a long time because it basically has no life.
Sheep study finds young mothers have more lambs
(PhysOrg.com) -- New research suggests that being a young mother is not a bad thing for a sheep and may mean ewes have more lambs that are just as healthy than those that are older when first bred.
Jul 13, 2010 |
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Mice Show How a Human Height Gene Works
(PhysOrg.com) -- A gene linked to greater height and later puberty in large population studies shows a true biological effect, according to a new study from Children's Hospital Boston that finds mice with this variant are ...
Jun 03, 2010 |
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