New study explains why men's noses are bigger than women's
Human noses come in all shapes and sizes. But one feature seems to hold true: Men's noses are bigger than women's.
High meat diet may lead to early puberty for girls
(PhysOrg.com) -- Increased amounts of meat in children's diets may be part of the reason why girls go through puberty at a much younger age than they did 100 years ago, new research using the Children of the ...
Angry faces: Research suggests link between facial structure and aggression
Angry words and gestures are not the only way to get a sense of how temperamental a person is. According to new findings in Psychological Science, a journal of the Association for Psychological Science, a quick glance at som ...
Scientists uncover a new understanding of male puberty
Scientists from Monash University have uncovered a new understanding of how male puberty begins.
Baby at the buzzer: Older couples race against their biological clocks to start families
Kim Harper started a career before starting a family. After graduating from Michigan State University in 1990, she traveled, earned a law degree and began working as an attorney. When Harper married in 2006, she and her husband, ...
Could viruses be used to treat acne?
Watch out, acne. Doctors soon may have a new weapon against zits: a harmless virus living on our skin that naturally seeks out and kills the bacteria that cause pimples.
Brain changes in adolescent males shown in new research
Every parent knows that teenagers, who undergo changes in hormones during puberty, are often fraught with drama.
Early Puberty Tied to Obesity in Girls
A review of more than 100 studies found overweight girls tend to reach puberty earlier than their peers do.
Early puberty leads to increased aggression in women
(PhysOrg.com) -- A University of Queensland study has found that females who experience early puberty have increased levels of aggression.
Male maturity shaped by nutrition during first six months of life
It seems the old nature versus nurture debate can't be won. But a new Northwestern University study of men in the Philippines makes a strong case for nurture's role in male to female differences -- suggesting that rapid weight ...
'Orchid children' bloom, wither in response to surroundings
(PhysOrg.com) -- A UA-led study backs evidence that some children are more susceptible to adverse environmental factors than others. So-called "orchid children" bloom spectacularly in positive environments but often are at ...
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 ...
Father absence linked to earlier puberty among certain girls
Girls in homes without a biological father are more likely to hit puberty at an earlier age, according to a new study led by researchers at the University of California, Berkeley's School of Public Health.
The hormone IGF-1: A trigger of puberty
Puberty is triggered by pulsatile release of GnRH from specific nerve cells in the the brain. What signals tell these nerve cells to release GnRH in this manner has not been determined, although it has been suggested that ...