Exposure to parental discord or divorce is associated with a child's genetic risk for alcohol problems as adults, a new study shows.

US adults who get weight-loss surgery are more than twice as likely to get married or divorced within five years.

Finding happiness "may be less about the marriage and more about the mindset," according to research with older adults.

On the other hand, divorcees are about twice as likely as married people to develop dementia, the study indicates.