There are plenty of studies in mice linking processed foods to problems such as obesity and intestinal inflammation.
But mice are not people, as critics of such studies are quick to point out.
In humans, researchers have reported associations between processed foods and health outcomes, such as an increased risk of developing obesity, cancer, autoimmune conditions, and even death.
Yet, ultra-processed foods make up a staggering 57.9% of energy intake in the United States.
