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Brigham Young University, Dr. Holt-Lunstad

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Medical Research: Strong Relationships with Friends/Family Decrease Risk of Death


Individuals with adequate social relationships have a 50% greater likelihood of survival compared to those with poor or insufficient social relationships. The magnitude of this effect is comparable with stopping smoking and exceeds many well known risk factors for mortality such as obesity and physical inactivity. These are the main findings of a meta-analysis of social relationships and mortality risk conducted by Julianne Holt-Lunstad (Brigham Young University, Utah, USA).

Provo, UT, July 28, 2010 --(PR.com)-- A new Brigham Young University study adds our social relationships to the “short list” of factors that predict a person’s odds of living or dying.

http://www.plosmedicine.org/article/info%3Adoi%2F10.1371%2Fjournal.pmed.1000316

In the journal PLoS Medicine, BYU professors Julianne Holt-Lunstad and Timothy Smith report that social connections – friends, family, neighbors or colleagues – improve our odds of survival by 50 percent. Here is how low social interaction compares to more well-known risk factors:

- Equivalent to smoking 15 cigarettes a day
- Equivalent to being an alcoholic
- More harmful than not exercising
- Twice as harmful as obesity

“The idea that a lack of social relationships is a risk factor for death is still not widely recognized by health organizations and the public,” write the PLoS Medicine editors in a summary of the BYU study and why it was done.

The researchers analyzed data from 148 previously published longitudinal studies that measured frequency of human interaction and tracked health outcomes for a period of seven and a half years on average. Because information on relationship quality was unavailable, the 50 percent increased odds of survival may underestimate the benefit of healthy relationships.

“The data simply show whether they were integrated in a social network,” Holt-Lunstad said. “That means the effects of negative relationships are lumped in there with the positive ones. They are all averaged together.”

Holt-Lunstad said there are many pathways through which friends and family influence health for the better, ranging from a calming touch to finding meaning in life.

“When someone is connected to a group and feels responsibility for other people, that sense of purpose and meaning translates to taking better care of themselves and taking fewer risks,” Holt-Lunstad said.

In examining the data, Smith took a careful look at whether the results were driven primarily by people helping each other prolong their golden years.

“This effect is not isolated to older adults,” Smith said. “Relationships provide a level of protection across all ages.”

Smith said that modern conveniences and technology can lead some people to think that social networks aren’t necessary.

“We take relationships for granted as humans – we’re like fish that don’t notice the water,” Smith said. “That constant interaction is not only beneficial psychologically but directly to our physical health.”

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Contact Information
Brigham Young University
Julianne Holt-Lunstad
801-422-1324
Contact
byu.edu

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