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A couple getting married is seen silhouetted in an undated
photo. |
There is even more proof that an unhappy marriage is bad for your
health, researchers said.
The stress that comes from discord appears to slow the initial
production of a blood protein that is key to healing wounds, the report
from Ohio State University said.
Quarreling couples studied in a laboratory setting had a slower wound
healing process than when they were not arguing, as measured by how
rapidly blisters healed. The blisters were
deliberately inflicted on the test subjects by using a vacuum pump on the
arm.
"Couples who demonstrated consistently higher levels of hostile
behaviours ... healed at 60 percent of the rate of low-hostile couples,"
said the report published in the December issue of the Archives of General
Psychiatry.
The authors said there is already a sizeable body of research showing
that marital disagreement causes adverse health impacts ranging from high
blood pressure and depression to the ability to cope with heart disease
and heart failure.
"Although loss of a spouse can provoke adverse mental and physical health changes, the
simple presence of a spouse is not necessarily protective. A troubled
marriage is itself a prime source of stress," the study said.
The Ohio State study involved 42 married couples, aged 22 to 77. They
were tested twice -- first in a social setting and then again when they
were told to get into disagreements.
The authors said stress appears to slow the local, wound-site
production of proinflammatory cytokines -- protein molecules produced by
white blood cells that play a key role in the early stages of healing.
But the study also found that couples with high degrees of conflict had
higher levels of the same cytokines generally in the bloodstream the
morning after an argument, compared to those who were not in as much
disagreement.
While greater early production at wound sites is beneficial, the
authors said, a higher systemic level is harmful.
"Elevated levels of proinflammatory cytokines have been linked to a
variety of age-related disease, including cardiovascular disease,
osteoporosis, arthritis ... certain cancers, and frailty and functional
decline," the study said. "Moreover, inflammatory activation can enhance
development of depressive symptoms."
(Agencies)
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