Why Are More Boys Born than Girls?
Worldwide, there are 107 boy babies born ... slightly more adult women than men). The small bias toward males that remains in the sex ratio of the total world population probably results from social factors hinted at earlier: abortion of female fetuses ...
In a Rush to Mature: Study Finds Boys Hitting Puberty Earlier than Ever
Puberty usually hits boys later than girls ... appear more gradually, including those outcomes measured in this new Pediatrics study: testicle growth, penis growth, and the emergence of pubic hair. Testicular growth, for example, is much harder for ...
When good girls go for bad guys
Why are stars attracted to bad boys ... is so much wealthier, so much more powerful and connected, so that the sense of powerlessness is more intensified," Fuller says. "But Rihanna is even more wealthy and powerful in the music industry than (Brown).
How much Girl Talk is too much?
But recently female friendship and girl talk, particularly among adolescents, has drawn growing interest from psychologists and researchers examining the question of how much ... keep girls, who are more prone to depression and anxiety than boys, stuck ...
Boys are 14% more likely to be born prematurely than girls: Study finds that even in the womb, females mature faster
‘Even in the womb, girls mature more rapidly than boys, which provides an advantage because the lungs and other organs are more developed. ‘One partial explanation for more pre-term births among boys is that women pregnant with a boy are more likely to ...