Neuroscience

Researchers discover how hormones define brain sex differences

Sex hormones play an important role in shaping an animal's behavior, and their influence starts early. Early-life hormonal surges help shape the developing brain, establishing circuitry that will influence behavior for a ...

Genetics

Testosterone concentrations in men affected by genetic makeup

Genetics play an important role in the variation in, and risk of, low testosterone concentrations in men. A study by the CHARGE Sex Hormone Consortium, published in the open-access journal PLoS Genetics on Thursday, 6th October, ...

Medical research

How testosterone protects against inflammation

Pharmacists of the University Jena, Germany, and partners have shown that cells from men and women react in a different manner to inflammatory stimuli. They found that in male cells the enzyme phospholipase D is less active ...

Other

Eunuchs outlive other men

Castrated men living in Korea centuries ago outlived other men by a significant margin. The findings, reported in the September 25 issue of Current Biology, suggest that male sex hormones are responsible for shortening the ...

Psychology & Psychiatry

Prenatal testosterone levels influence later response to reward

New findings led by Dr. Michael Lombardo, Prof. Simon Baron-Cohen and colleagues at the University of Cambridge indicate that testosterone levels early in fetal development influence later sensitivity of brain regions related ...

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