BUFFALO, N.Y., Nov. 24 (UPI) -- Married couples who are heavy drinkers and those who don't drink tend to stay married, but couples with one heavy drinker tend to divorce, U.S. researchers say.
Lead author Kenneth Leonard, director of the University of Buffalo Research Institute on Addictions, and co-authors Gregory Homish and Philip Smith of the university's Department of Community Health and Health Behavior, tracked 634 couples from the time of their weddings through the first nine years of marriage.
The study, scheduled to be published in the December issue of Psychology of Addictive Behaviors, found couples with only one spouse a heavy drinker had a much higher divorce rate than other couples. For the purpose of the study, heavy drinking was defined as drinking six or more drinks at one time or drinking to intoxication.
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