
Eating processed food is nothing new. Humans have been crushing grains to make bread for thousands of years. But in recent decades, our food supply has shifted, with an increasing number of ultra-processed products made with fillers, additives, stabilizers and synthetic ingredients that our grandparents wouldn't recognize.
A recent analysis by the Access to Nutrition Initiative finds about 70% of food products sold in the U.S. are unhealthy — and much of the food can be classified as ultra-processed.