Experts say most food is processed in some way. But ultraprocessed foods are made in factories and contain chemical additives, preservatives or dyes that you wouldn’t use at home. These foods have been linked to health risks like obesity, heart disease and diabetes.

Health secretary Robert F. Kennedy Jr. raved in social media posts on Monday about the $7-a-pop meals that are delivered directly to the homes of Medicaid and Medicare enrollees.

The lawsuit argues that the HHS secretary’s withdrawal of public vaccine advice reduces access to vaccines for some people.