Engaging with pets, particularly cats, can have a positive impact on human mood and stress levels, according to a new study from researchers at Kyoto University. Their findings reveal that the bond between humans and cats may influence hormonal changes that benefit both parties.
Published in the journal iScience, the research highlights the complexities surrounding the health benefits associated with cat ownership, which have been less clearly defined compared to those of dogs. The Kyoto University team’s study sought to investigate why the positive effects of having a cat are more difficult to establish.
To conduct their research, the team followed 19 pairs of humans and their cats over the course of a month. They utilized Bluetooth tracking beacons to monitor interactions and collected urine samples to assess any biological effects related to their bonding activities.
Your Cat’s Brain Chemistry Could Be Affecting Your Mood, New Research Suggests
While the study indicates that simply owning a cat does not inherently lead to improved mood, it suggests that being in close physical proximity to a cat can enhance emotional well-being. The researchers discovered a notable hormonal relationship: increased oxytocin levels in cats were associated with reduced cortisol levels in humans, indicating lower stress levels.
Oxytocin is known as the “bonding hormone,” while cortisol is linked to stress responses. The data suggested that the stronger the bond felt by the cat, the lower the stress levels of its owner. Remarkably, the fluctuations in a cat’s oxytocin levels tracked their owner’s negative moods even more closely than the owner’s own biochemical changes.
Though the research is based on a small sample size and demonstrates correlation rather than causation, it underscores the potential emotional benefits of deepening the bond with feline companions.
Future studies may explore these dynamics further, offering more insight into the positive interactions between humans and their cats.


