The effect of petting a dog on immune system function.

By Seriously Science | May 27, 2013 12:00 pm

Photo: flickr/floodllama

Petting a dog has many health benefits, but does the dog actually have to be alive? In this study, the authors tested the effect of petting a dog on people’s antibody levels, and compared that to petting a stuffed dog or “sitting comfortably on a couch”. They found that only the live dog had a beneficial effect on the immune system. So much for getting my health insurance to pay for my taxidermy habit :(

Effect of petting a dog on immune system function.

“The present study assessed the effect of petting a dog on secretory immunoglobulin A (IgA) levels. 55 college students were randomly assigned to either an experimental group or one of two control groups. Group 1 (n= 19) petted a live dog; Group 2 (n = 17) petted a stuffed dog, while Group 3 (n = 19) simply sat comfortably on a couch.

Each participant was exposed to one of the three conditions for 18 min. Pre- and posttreatment saliva samples yielded a significant increase in IgA for Group 1 only. Participants were also asked to complete the Pet Attitude Scale of Templer, Salter, Dickey, Baldwin and Veleber. Scores on this scale correlated with IgA increases only for participants in Group 2 (petting a stuffed animal). Results are discussed in terms of the beneficial effects of pets on health in general, and immunity in particular.”

Related content:
NCBI ROFL: The role of pet dogs in casual conversations of elderly adults.
NCBI ROFL: Dogs catch human yawns.
NCBI ROFL: Human left-sided cradling preferences for dogs.

CATEGORIZED UNDER: fun with animals
  • Mykeljon

    Talk about stating the obvious. How about researching a topic for which the outcome is not obvious before you start. What a waste of time and money.

    • Francisco d’Anconia

      Somethings are more obvious to some.

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Seriously, Science?, formerly known as NCBI ROFL, is the brainchild of two prone-to-distraction biologists. We highlight the funniest, oddest, and just plain craziest research from the PubMed research database and beyond. Because nobody said serious science couldn't be silly!
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