Related topics: hormone

Penis development needs more than just testes and testosterone

Proper development of the fetal penis requires not just testosterone from the testes, but a second hormone produced by other tissues, including the placenta, according to a new study publishing February 14 in the open-access ...

Stress test: New study finds seals are stressed-out by sharks

While a little added stress may be helpful to flee a dangerous situation, or to meet an approaching deadline, it's no secret that prolonged exposure to the stress hormone cortisol is linked to health problems. So, what effects ...

Oxytocin enhances social affiliation in chimpanzee groups

The high costs of individuals going to war is perplexing. Individuals are willing to suffer costs in order to benefit their own group, through cooperating and supporting their fellow group members and acting with hostility ...

Diabetes missing link discovered

New Zealand researchers have uncovered a new mechanism that controls the release of the hormone insulin in the body, providing hope for those with a genetic susceptibility to type 2 diabetes.

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