Phys.org reports that the one-month pattern involved 19 owners; years of cat ownership showed no link to mood.
Over one month, Phys.org reports, 19 cat owners who spent more time near their cats tended to report more positive moods. Years of ownership showed no link to mood in that group.
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A Kyoto University-led team followed 29 cats and their 19 owners for one month, looking at everyday interaction rather than treating cat ownership as a simple yes-or-no variable. The researchers analyzed urine samples for oxytocin and cortisol, fitted the cats’ collars with Bluetooth Low Energy beacons to estimate daily proximity, asked owners about their moods, and observed how the cats behaved around owners and unfamiliar people.
According to Kyoto University’s summary of the study, urinary oxytocin concentrations in cats and owners were positively correlated. Cats with higher oxytocin levels also tended to have owners with lower cortisol levels and fewer negative feelings. The cats’ oxytocin levels were more closely associated with owners’ negative mood states than the owners’ own oxytocin levels were.
Owners who spent more time physically close to their cats tended to report more positive moods. By contrast, the length of time someone had owned a cat was not connected to positive mood in this group.
That distinction may help explain why earlier research on cat ownership and human well-being has produced mixed results: the way people and cats interact could matter more than ownership alone. But this study was small and observational. It found associations, not proof that time near a cat improves a person’s mood or that either species caused the hormonal patterns seen in the other.
The work was published in iScience as “Cats and humans show correlated affiliative physiological states.”
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@physorg_comCat owners who spent more time near their cats tended to report more positive moods, while years of ownership showed no link—a pattern observed over one month in 19 owners. @cellpressnews https://phys.org/news/2026-10-owners-cats-tend-positive-moods.html?utm_source=twitter.com&utm_medium=social&utm_campaign=v2@physorg_comCat owners who spent more time near their cats tended to report more positive moods, while years of ownership showed no link—a pattern observed over one month in 19 owners. @cellpressnews https://phys.org/news/2026-10-owners-cats-tend-positive-moods.html?utm_source=twitter.com&utm_medium=social&utm_campaign=v2@physorg_comCat owners who spent more time near their cats tended to report more positive moods, while years of ownership showed no link—a pattern observed over one month in 19 owners. @cellpressnews https://phys.org/news/2026-10-owners-cats-tend-positive-moods.html?utm_source=twitter.com&utm_medium=social&utm_campaign=v2@physorg_comCat owners who spent more time near their cats tended to report more positive moods, while years of ownership showed no link—a pattern observed over one month in 19 owners. @cellpressnews https://phys.org/news/2026-10-owners-cats-tend-positive-moods.html?utm_source=twitter.com&utm_medium=social&utm_campaign=v2
