Cats: Good for Your Health?

Calliope and AthenaI have been an avowed cat lover since I was a child surrounded by an ever-changing variety of farm cats. When I attended graduate school, I acquired my first cat, a calico I named Athena, followed shortly by my tortoiseshell Calliope. Because Athena wanted my attention immediately after returning from the lab, Calliope was partially acquired to entertain Athena. Much of this “entertainment” consisted of Athena asserting her dominance over the interloper.

Based on conversations I had during graduate school, I learned that more of my fellow graduate students seemed to acquire cats than any other companion animal. At Promega Corporation, the expectation is each new hire writes a short biography and must name his or her pets. In my department of nine, six of us had cats during our university education and work as research scientists.

Why do biologists favor cats over dogs? I surmise that part of the allure is because cats are relatively independent, an important feature for scientists busy in the laboratory. Feline care is simple enough: keep the litter box clean, feed and water daily, offer a scratching item and a comfy spot, and cats are content to stay in your home. The available companionship is a nice bonus. Part of my desire to bring Athena into my home stemmed from her status as a pretty tricolor kitty (and the X-chromosome inactivation demonstrated on her calico-colored fur coat was cool too).

Maybe there is more to keeping cats than their easy care (e.g., no walks in the morning fighting sleet, snow and ice). Are scientists are aware of something inherent to hosting a cat (or two) in their homes? Cats in the household can benefit their human slaves…er caretakers in many ways. Studies indicate cats help prevent deaths from heart attacks (PDF), decrease recovery time from illness or injury and new pet owners experience health improvement (PDF). At the same time, studies about the effect of companion animals on overall health are conflicting. Some reports indicate being elderly and having a pet benefits physical health and enhances quality of life while others show pet owners have greater BMI and other negative effects on health. These latter conclusions run contrary to expectations.

My feelings about cats remain unchanged: I benefit from coming home to a soft, furry kitty that offers companionship and solace when needed. Furthermore, I have started more than a few conversations “My cat…”, sharing anecdotes with fellow cat lovers and the feline deprived alike. For me, I need more clear evidence that my feline companion is a detriment to my health before considering severing the relationship between us.

What are your thoughts on the cat-human health connection?

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Sara Klink

Technical Writer at Promega Corporation
Sara is a native Wisconsinite who grew up on a fifth-generation dairy farm and decided she wanted to be a scientist at age 12. She was educated at the University of Wisconsin—Parkside, where she earned a B.S. in Biology and a Master’s degree in Molecular Biology before earning her second Master’s degree in Oncology at the University of Wisconsin—Madison. She has worked for Promega Corporation for more than 15 years, first as a Technical Services Scientist, currently as a Technical Writer. Sara enjoys talking about her flock of entertaining chickens and tries not to be too ambitious when planning her spring garden.


  1. I am a more of a dog person myself but I do see the connection with people who are more in the scientific field and cats. I think the reason is because usually they tend to be too busy. I know with dogs they require a lot of attention like taking them on walks and things like that. I’m not saying that those with cats are super busy but I think cats are just easier to have when you are not going to be at home as much as you like to.

  2. There are some pragmatic realities to having a dog that make it more difficult. They need more space, they need more attention, etc.

    And there is something inherently heart warming about the sense that a cat chooses YOU. That is unique in traditional domestec pets, I think.

    And the purring doesn’t hurt, either… :)

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