It turns out there is some truth to the cliché saying, "I'm dying of a broken heart."
According to the University of Rochester's Christine Thompkins, "broken heart syndrome," or acute heart failure triggered by stress, is a real condition that can happen to healthy people with healthy hearts. Its symptoms include chest pain and life-threatening arrhythmias, but it can be treated and reversed.
Watch the video above for more on broken heart syndrome.
A study by Duke University earlier this year found that a happy marriage increases a person's life expectancy.
Read some of the most interesting marriage research findings from 2012 in the slideshow below.