Men smoke more, drink more, have poorer driving habits. Women tend to have poorer mental health than men. For women, being married may increase stress, because they may feel they have less control over what happens in their lives. Reporting may be an issue here - women are more likely to report problems of mental illness. Married people tend to live longer than unmarried people.
Married people find life more satisfying than the unmarried.
Unmarried men ages 25-64 have suicide rates that are double those for married men. Unmarried men and women have higher death rates from alcohol and cigarettes. Married men are less likely to engage in voluntary, health-threatening behavior. Men get the biggest benefits from marriage, and also suffer the most from divorce and death of a spouse. This may be because women have more of a support network.