Related topics: stress hormones

Chimpanzees found to age in ways similar to humans

A team of researchers from the University of New Mexico and the Kibale Chimpanzee Project in Uganda has found similarities between the way chimpanzees and humans age. In their paper published in Proceedings of the National ...

Scales offer insight into chronic stress of fish, research finds

For years, aquatic researchers have sought an easy way to determine when wild fish are under stress. Now University of Guelph researchers have shown for the first time that a key stress hormone, cortisol, accumulates in fish ...

Dogs mirror owner's stress

The levels of stress in dogs correlate with the stress of their owners, according to a new study from Linköping University, Sweden. The scientists believe that dogs mirror their owner's stress level, rather than vice versa. ...

Social insecurity also stresses chimpanzees

An international team of researchers from the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, conducted behavioral observations and collected urine samples for cortisol analysis of male chimpanzees ...

Sleepovers reduce stress in shelter dogs

Of the estimated more than 4 million dogs that end up in animal shelters each year, about half a million are euthanized. To increase the number of shelter dogs that are adopted, Arizona State University's Canine Science Collaboratory ...

Fish undisturbed by flash photography

Fish experience stress, as do mammals and humans. When under stress, fish release the hormones adrenaline and cortisol. A team of scientists spearheaded by IGB has investigated whether flash photography induces an increase ...

Wearable device measures cortisol in sweat

The hormone cortisol rises and falls naturally throughout the day and can spike in response to stress, but current methods for measuring cortisol levels require waiting several days for results from a lab. By the time a person ...

What is it about yawning?

You know the feeling. It's impossible to resist. You just need to yawn.

page 1 from 3