Interacting with cats and dogs may not only improve college students' mood, but also reduce their stress levels, a study claims.
Many universities have instituted "Pet Your Stress Away" programmes, where students can come in and interact with cats or dogs to help alleviate some of the strain, researchers said.
The scientists at Washington State University (WSU) in the US demonstrated that, in addition to improving students' moods, these programmes can actually get "under the skin" and have stress-relieving physiological benefits.
"Just 10 minutes can have a significant impact," said Patricia Pendry, an associate professor in WSU's Department of Human Development.
"Students in our study that interacted with cats and dogs had a significant reduction in cortisol, a major stress hormone," said Pendry.
The study, published in the journal AERA Open, demonstrated reductions in students' cortisol levels during a real-life intervention rather than in a laboratory setting.
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The study involved 249 college students randomly divided into four groups.
The first group received hands-on interaction in small groups with cats and dogs for 10 minutes.
They could pet, play with, and generally hang out with the animals as they wanted.
To compare effects of different exposures to animals, the second group observed other people petting animals while they waited in line for their turn.
The third group watched a slideshow of the same animals available during the intervention, while the fourth group was "waitlisted."
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