Health

Testosterone: Why defining a 'normal' level is difficult

Testosterone is the main sex hormone in men. It's best known for its role in the development of male sexual characteristics and physical features, but there are also many surprising and lesser known functions of testosterone ...

Psychology & Psychiatry

Objectification of women results in lack of empathy

Sexualized representations, especially the emphasis of secondary sexual characteristics, can change the way we perceive an individual. An international team of researchers led by Giorgia Silani from the Faculty of Psychology ...

Psychology & Psychiatry

Sex change hormonal treatments alter brain chemistry

Hormonal treatments administered as part of the procedures for sex reassignment have well-known and well-documented effects on the secondary sexual characteristics of the adult body, shifting a recipient's physical appearance ...

Medical research

Naturally occurring hormone induces egg maturation

The naturally occurring hormone kisspeptin effectively induces egg maturation during infertility treatment, according to a clinical in vitro fertilization (IVF) study. The results were presented Monday at The Endocrine Society's ...

Pediatrics

Study documents early puberty onset in boys

A study conducted by the American Academy of Pediatrics (AAP) has documented that boys in the U.S. are experiencing the onset of puberty six months to two years earlier than reported in previous research.