In Simple Terms
Small studies suggest that feeling close to a cat and spending time interacting with it may be linked to feeling more lively or less down. Simply having a cat for many years does not seem to explain the difference. But these studies cannot show that cats cause people to feel better: people who are already more energetic may also spend more time near their cats.
Measuring Closeness Instead of Counting Years
A study led by researcher Saho Takagi at Kyoto University looked at the relationships between cats and their owners. Over the course of a month, the team followed 29 cats and the 19 people who lived with them. The study was published in iScience. Rather than relying only on owners’ descriptions of how they felt about their pets, the researchers combined mood questionnaires, biological measurements and a way to track how close each cat and its owner came to each other at home.
The cats wore Bluetooth tags that communicated with their owners’ phones. These devices were used to estimate how close the two were when they were near each other—not to add up all the minutes they spent together during the day. That distinction matters: the researchers measured whether the cat and owner were physically close, not how long they played together or how many hours the owner spent caring for the cat. The cats and their owners also provided urine samples, which were tested for oxytocin, a hormone associated with social interaction and bonding, and cortisol, which is used as an indicator of the body’s response to stress.
The results linked physical closeness with some positive aspects of owners’ well-being, particularly feeling lively and energetic. The same relationship did not appear for every feeling that might fall under the broad label of good mood. So the findings should not be taken as evidence that having a cat improves every kind of positive emotion. Oxytocin levels in cats and their owners also tended to move in similar directions, and higher oxytocin in cats was associated with owners reporting lower levels of negative mood.
How long someone had owned a cat did not reliably predict their mood, for better or worse. An initial analysis found a link between living with more than one cat and some negative feelings, but that association disappeared after the researchers accounted for differences among households that kept multiple cats. The example shows how the picture can change when researchers take another household factor into account, rather than simply noting a relationship between two variables.
What the Findings Mean—and What They Don’t
The study takes the idea of closeness beyond a personal impression by measuring it, but closeness is not the same thing as affection or intimate interaction. A signal from a tracking device cannot tell researchers whether a cat is asking to be petted, sleeping beside its owner or sitting across the room. Nor does measuring proximity reveal who moved closer first or how either one felt during the encounter. The measure is therefore one part of the picture, not a complete account of the relationship.
Most importantly, the findings show associations: two things appeared together in the data, but the study cannot establish which came first or whether one caused the other. Being close to a cat might help its owner feel more alert and make some parts of the day better. But people who already feel more energetic might also be more inclined to sit near their cats and interact with them. Other factors, including the personalities of the person and cat, the layout of the home and the number of animals in it, could affect both closeness and mood.
The study’s size is another reason for caution. Hormone data were available for 24 cats, rather than all 29, and 16 of the 19 cat owners were women. These numbers do not erase the study’s value, but they make it difficult to generalize the results to all cat owners or to people living in different communities and circumstances. Kyoto University emphasized that the team had found associations, not proven cause-and-effect relationships.
A Brief Interaction May Help People Feel More Energized
The link between closeness and energy is consistent with a Japanese experiment conducted in 2023 with 32 people who owned cats. Takumi Nagasawa’s team asked participants to spend ten minutes in one of two situations: interacting with their cats or resting without interacting with them. The researchers then examined changes in feelings of energy and enjoyment, alongside heart-rate data.
After resting, participants showed lower measures of energy and enjoyment. The same drop did not appear after they spent time interacting with their cats. Heart-rate readings showed a pattern consistent with this observation. The researchers suggested that cats may do more than calm people down: interacting with them may also be stimulating, helping people feel more alert and lively. This does not mean cats boost everyone’s energy in every situation. It means that, in this experiment, a short interaction was associated with a different response from resting alone.
This experiment adds an important angle to the Kyoto findings. The question may not be only whether cats help people relax, but also whether interacting with them provides a lift in energy or enjoyment. Even so, ten minutes in a controlled experiment cannot represent every aspect of daily life with a cat, and a short-term change does not establish a lasting effect on mental health.
Initiative and Gentle Touch Can Make a Difference
Another study supports the idea that the kind of interaction may matter more than simply having an animal in the room. In research published in 2021 in PeerJ, researchers measured oxytocin levels in 30 women before and after they spent 15 minutes with their cats. They compared the changes with what happened during another situation in which the participants spent time reading a book.
Across the group as a whole, oxytocin did not rise more after time with the cats than it did after reading. But the pattern varied depending on what happened during the encounter. Hormone levels rose more when the cat initiated contact and when participants gently petted and cuddled it. They fell when the interaction became rough and involved scratching. In other words, the cat’s mere presence was not enough to produce the same response in every case; the nature of the contact and the cat’s participation appeared to matter.
The result should not be turned into a one-size-fits-all guide to handling cats. Cats have different preferences, and a touch that one animal enjoys may bother another. Still, the study is a reminder that a relationship is not one-sided. A cat’s response and willingness to approach are part of the interaction, and simply being physically near a person is not a substitute for them.
Cats Can Form Bonds With Their Owners
Some cats may seem independent or uninterested in contact, but that does not mean cats as a species are incapable of forming strong bonds. A study published in 2019 in Current Biology estimated that about 65% of cats and kittens showed a secure attachment to their owners. That figure was very close to the rate observed in human infants in the comparison discussed in the study.
The percentage does not mean every cat shows attachment in the same way, or that a cat’s relationship with a person is identical in every respect to a child’s relationship with a caregiver. But it challenges the familiar image of cats as naturally solitary animals that do not bond with people. Attachment may show up in quiet behavior or in seeking closeness at particular times. It does not necessarily mean that a cat stays by its owner constantly or responds clearly to every attempt at interaction.
The Evidence Doesn’t Always Point in the Same Direction
Research does not produce the same picture every time. A Swiss study from 2003 that included hundreds of people found that having a cat was associated with less negative mood, to a degree similar to the association with having a human partner. Having a human partner—not a cat—was associated with improved positive mood. The degree to which people felt attached to their pets was not, by itself, associated with lower levels of negative mood.
This research approached the relationship differently from the Kyoto study. It relied on people’s own assessments of how attached they felt to their cats, while the Kyoto team focused on physical proximity recorded by devices. The studies therefore did not test the same thing. Taken together, though, they show that feeling attached does not always match the mood benefits people experience, and that easing sadness or distress may be different from creating positive feelings such as pleasure and energy.
Comparisons with dogs also highlight what may be distinctive about cats, although they do not mean one type of pet is better than another. A Swedish study in 2019 followed 58 dogs and their owners and found that chronic stress levels in the two were associated, as measured using hair samples. The Kyoto study, by contrast, did not find a similarly strong connection between cats’ and owners’ cortisol levels. This could mean that stress indicators do not correspond in the same way in cats and humans. It does not prove that cats are unaffected by their owners’ state or that they do not respond to it through their behavior.
Why the Evidence Is Still Preliminary
These studies differ in what they measure and how they are designed. Some track proximity, some test a short interaction, and others ask about attachment or measure hormones. Their results should not be combined as though they were repetitions of one identical experiment. Still, together they offer a more precise picture than the broad claim that cats improve people’s moods. Some benefits may be connected to closeness and positive interaction, and may show up as greater energy or fewer negative feelings, without appearing in every measure of mood.
Biological measurements are not direct translations of emotion, either. Oxytocin and cortisol are influenced by many factors, and a rise or fall in either hormone is not enough to determine conclusively whether someone is happy or stressed. Mood questionnaires, meanwhile, depend on participants describing how they feel, and people may interpret questions differently or remember their feelings imperfectly. Combining these tools is useful, but it does not remove every limitation in how researchers can measure mood and interaction.
A clearer picture will require larger studies that include cat owners from a wider range of backgrounds and follow them for longer. Researchers will also need to distinguish among different kinds of interaction: a cat approaching on its own, petting, play, and simply being in the same room without direct contact. It would also be useful to find out whether results vary with the personalities of cats and owners or with the presence of other animals in the home. That could help researchers determine whether proximity itself is the key factor, or whether it signals a mutually engaging relationship with other important qualities.
The Bottom Line
A collection of studies suggests that the relationship between cats and their owners may be connected to mood through closeness and the quality of their interactions, rather than simply through the number of years they have lived together. In the Kyoto study, which followed 29 cats and 19 owners for a month, proximity was associated with some measures of energy, and the cats’ and owners’ oxytocin levels tended to move in similar directions. Other research points to the importance of a cat initiating contact and of gentle touch, while an experiment found that interacting with a cat helped people maintain their energy in a short-term setting.
None of this proves that cats cause people to feel better, or that every cat and every person will respond in the same way. The studies involved limited samples and different ways of measuring mood and interaction; some findings point more to relief from negative feelings than to the creation of positive ones. The most cautious takeaway is that mutual, friendly closeness deserves further study as one part of the human-cat relationship. Time spent together, on its own, is not enough to tell us how deep that relationship is or what effect it may have.