A 3½-ounce bag of corn chips is a surprisingly useful way to picture a finding from a giant new analysis of ultra-processed foods. Researchers used that amount as a daily benchmark while examining how rising intake of packaged, factory-made foods lined up with health outcomes. The study combined data from more than 50 studies involving about 8.8 million adults and looked at risks linked to cardiovascular disease, cancer, weight gain, mood disorders, and lifespan. The results added to a growing d