Researchers decided to look at the effects of a bad marriage in older couples, since most marriage counseling and research into marital quality focuses on young people. They analyzed five years of data from the National Social Life, Health and Aging project, looking at about 1,200 married women and men ranging in age from 57 to 85. Participants answered questions about the quality of their marriages, in addition to undergoing lab tests and reporting their symptoms of and risks for cardiovascular disease.
The researchers found that people in bad marriages were more likely to have cardiovascular problems. They also learned that a bad marriage affects heart health more than a good marriage, and that women in bad marriages suffer more negative cardiovascular effects than men in bad marriages. They speculate that this may be because women are more likely to internalize negative feelings and to become depressed. The negative effects of a bad marriage on heart health increase with advancing age.
Researchers also found that heart disease itself could harm marriages, but only for women, not for men. They point out that previous research has found that women are more likely to care for sick spouses than to receive care when they are sick. Consequently, married women with heart disease may get less support and be subject to more stress than married men with heart disease.
Heart disease is the leading cause of death for people in the United States, and it kills more women than all forms of cancer combined, according to the American Heart Association.
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