'junk food' can mean a lot of things. There is real, legitimate demand for easy-prep food which some might refer to as 'junk.' There's a substantial slice of the population that just does not have access to a full kitchen. They can run an electric kettle or a microwave and that's about it. And plenty don't have the time to do any food prep; they're already compressed between multiple jobs, child and/or elder care and other responsibilities. so when I donate food? I actually make it a point to include a lot of heat-and-eat stuff, even if it's kind of junky.
Food insecurity in US: Hunger Malnutrition and Food Insecurity in the US - GC Insights Hunger & Poverty in the United States | Map the Meal Gap Or see other information sources that might be more appealing. Responding to food insecurity with leading list of chronic diseases is a bit of a deflection. Or at least failure to apply maxim that multiple things can be true at the same time.