Related topics: hormone

Strengthening citric fruit to better resist climate change

Research of the Department of Agricultural Sciences and the Natural World of the Universitat Jaume I in Castellón, Spain, has identified the genes within citric fruit that biotechnology could improve to fight climate change. ...

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 ...

Stressed lemurs have worse chances of survival

High levels of hair cortisol—a sign of long-term stress—are associated with reduced survival in wild grey mouse lemurs (Microcebus murinus), according to a study published in the open access journal BMC Ecology.

Study links fish stress hormones to whether they take the bait

Take a fish out of water and its stress hormones will go up. Adrenaline and noradrenaline, the "fight or flight" hormones, peak first, followed more gradually by cortisol. A new study finds that largemouth bass whose cortisol ...

How testosterone regulates singing in canaries

Testosterone controls specific features of birdsong in two distinct regions of the canary brain that resemble the human motor cortex, according to a study published in The Journal of Neuroscience. The research points to a ...

Male birds adjust courtship behavior based on social context

Male birds that have already paired up with a female aren't above looking for a little action on the side. A new study from The Auk: Ornithological Advances explores how male juncos adjust their courtship behavior to their ...

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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