What's a skeleton's favorite food? RIBS

Which can be an effective way to reduce stress? getting in the habit of doing things perfectly the first time engaging in a fun physical activity on a regular basis taking an antacid for a stress-based stomachache studying extra hard the night before a test

What does cooper mean when she says “…non-nutrient foods are really, really cheap which is why i say it’s a social justice issue.” (7: 50 in video)

Can someone give me a hand with this one.