Transcript for Taking a Bite Out of Anger When Talking to Your Spouse
A surprising headline for the modern American family tonight. We know about the risks of postpartum depression in new moms. A new study finds that young dads are at risk, too. Men who become fathers at the age of 25 show a 68% increase in depression during those early days of parts. One expert said this is a wakeup call. It's not just new moms who are at risk. Now a headline tonight about all of us and daily life. A brand new study has identified a hazard. When you're angry and hungry. There's a new word, angry. Paula shows us how this can create double trouble in a lot of life. Reporter: Couples looking to take a bite out of conflict resolution, might simply need to take a bite of food. The new study proves what you might have suspected. We fight more when we're hungry. Hungry spouses tend to be angry spouses. Reporter: What is Luke like when he's hungry? Extremely difficult. I'm always a peach. Anything can set me off. I just want food. Reporter: The researchers looked at over 100 married couples and found that when hungry, and blood sugar levels drop, aggression levels went up. That's because the brain consumes 20% of our calories. After they eat, their glucose levels increase and gives them fuel for their brain to exercise self control over angry feelings and aggressive impulseimpulse. They're less likely to lash out against their spouse. Reporter: The researchers recommend it's best to do it over a male. Paula Faris, ABC news, New York.
This transcript has been automatically generated and may not be 100% accurate.