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Parents Less Likely To Develop Colds, Carnegie Mellon Research Shows
Date:7/3/2012

PITTSBURGH, July 3, 2012 /PRNewswire/ -- There is no question that being a parent is, at times, challenging both physically and mentally. However knowledge of the actual affect parenthood has on health has been inconsistent at best, until now.

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New research led by Carnegie Mellon University's Sheldon Cohen and Rodlescia S. Sneed shows that being a parent influences health in a positive way. Published in Psychosomatic Medicine, the research provides the first evidence that, when exposed to a common cold virus, parents are 52 percent less likely to develop a cold than non-parents.

"We have had a long-term interest in how various social relationships influence health outcomes," said Cohen, the Robert E. Doherty Professor of Psychology within CMU's Dietrich College of Humanities and Social Sciences. "Parenthood was especially interesting to us because it has been proposed that it can have both positive and negative effects on health. For example, being a parent can be stressful but at the same time can be fulfilling, facilitate the development of a social network and provide purpose in life."

For the study, Cohen, Sneed, Ronald B. Turner of the University of Virginia Health Center and William J. Doyle of the University of Pittsburgh School of Medicine exposed 795 healthy adults between the ages of 18 and 55 to a virus that causes a common cold. Participants reported their parenthood status, and analyses were controlled for immunity to the experimental virus, viral strain, season, age, sex, race, ethnicity, marital status, body mass, employment status and education.

Parents with one or two children were 48 percent less likely to get sick while parents with three or more children were 61 percent less likely to develop a cold. Both parents with children living at home and away from home showed a decreased risk of catching a cold. And, while parents older than age 24 were protected from the cold virus, parenthood did not influence whether those aged 18-24 became ill.

"Although parenthood was clearly protective, we were unable to identify an explanation for this association," Cohen said.  "Because we controlled for immunity to the virus, we know that these differences did not occur just because the parents were more likely to have been exposed to the virus through their children.  Moreover, parents and nonparents showed few psychological or biological differences, and those that did exist could not explain the benefit of parenthood.  We expect that a psychological benefit of parenthood that we did not measure may have been responsible."

This research was funded by the National Center for Complementary and Alternative Medicine, the National Institute of Mental Health, the National Heart, Lung, and Blood Institute, the National Institute of Allergy and Infectious Diseases, the John D. and Catherine T. MacArthur Foundation Network on Socioeconomic Status and Health, and a grant from the National Institutes of Health to the University of Pittsburgh Medical Center General Clinical Research Center.

About Carnegie Mellon University: Carnegie Mellon (www.cmu.edu) is a private, internationally ranked research university with programs in areas ranging from science, technology and business, to public policy, the humanities and the arts. More than 11,000 students in the university's seven schools and colleges benefit from a small student-to-faculty ratio and an education characterized by its focus on creating and implementing solutions for real problems, interdisciplinary collaboration and innovation. A global university, Carnegie Mellon's main campus in the United States is in Pittsburgh, Pa. It has campuses in California's Silicon Valley and Qatar, and programs in Asia, Australia, Europe and Mexico. The university is in the midst of "Inspire Innovation: The Campaign for Carnegie Mellon University," which aims to build its endowment, support faculty, students and innovative research, and enhance the physical campus with equipment and facility improvements.


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