Psychology & Psychiatry

New vision on amygdala after study on testosterone and fear

The activity of the emotion centres in the brain – the amygdalae – is influenced by motivation rather than by the emotions themselves. This can be concluded from research carried out at Radboud University into the hormone ...

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 ...

Medications

Many men start testosterone therapy without clear medical need

Although testosterone use has sharply increased among older men in the past decade, many patients appear to have normal testosterone levels and do not meet the clinical guidelines for treatment, according to new research ...

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