Is Your Marriage Making or Breaking Your Health?

Though research suggests that happily married couples enjoy longer, healthier lives than their single peers, the flip side is true, as well: A troubled marriage can drag down your well-being, making you more susceptible to chronic stress and other ills. Why? Interactions between you and your spouse have the power to either positively or negatively affect your cardiovascular, hormonal, and immune systems, notes Ted Robles, Ph.D., an assistant professor of psychology at UCLA who has done research on how marriage affects health. Add the 'always-around' factor and you also naturally set the stage for some mimicking. You can pick up their habits--and unhealthy habits then become shared, says Robles. To see where your marriage stacks up, take this quiz: