Centers for Disease Control and Prevention (CDC), the number of adults receiving an IBD diagnosis each year in the United States increased from 2 million in 1999 to 3 million in 2015.Previous research in animals has found that a diet high in fructose can damage the colon and cause inflammation.
This finding suggests that a higher fructose intake may have played a role in the increased incidence of IBD in recent decades.
Population studies have not always shown an association between refined sugar intake and IBD. One large study found no association between any specific dietary pattern and IBD.