A world-leading ultra-processed food expert says his kids still eat Goldfish and chicken tenders

Kevin Hall is a physicist who studies the regulation of body weight and metabolism. He has published groundbreaking work showing that ultra-processed foods cause weight gain.

National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health.

• A nutrition researcher who studies ultra-processed foods doesn't categorically ban them at home.
• He relies on nutrition basics to choose snacks that are a bit healthier for his family.
• Prioritize beans...