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 social rank can trigger vulnerability to stress

Stress is a major risk factor for a range of psychopathologies. However, stress does not affect everyone equally: in the face of sustained adversity, some people develop depression symptoms while others adapt and remain resilient. ...

Stress test—how scientists can measure how animals are feeling

To help determine how stress is affecting animals across Australia, researchers at Western Sydney University are utilising non-invasive methods to help farmers, zookeepers and pet owners ensure their animals are happy and ...

Emojis and the jealous heart

Nearly 70 percent of Americans use some form of social media, according to a Pew Research Center survey. There is little doubt it affects our daily lives—but how?

Stressed seabird parents think only of themselves

Stress is a factor not only in the best human families; it also appears among animals. To see how bird family members interact with each other in stressful situations, researchers from Vetmeduni Vienna and the University ...

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