How to avoid ultra-processed foods in the new year

Most Americans eat ultra-processed foods every day, even as they're increasingly linked to heart disease, obesity and even depression.

If you're looking to find simple ways to cut back, New York Times writer Jancee Dunn has a challenge for you. Each day this week, she's spotlighting the science around these foods and how you can find easy alternatives. We spoke to her about the one-week challenge.