In recent decades, ultra-processed food (UPF) consumption has surged across many parts of the world, alongside a notable increase in inflammatory bowel disease (IBD) cases. A recent study sheds new light on the mechanisms by which ultra-processed foods physically affect the digestive tract.
This large study involving 203,516 women and 41,596 men from three major long-term U.S. prospective health studies investigated the link between UPF consumption and the risk of developing Crohn's disease (CD) or ulcerative colitis (UC). Ultra-processed foods are already established as contributors to obesity and poor cardiometabolic health.
The study results showed that greater consumption of ultra-processed foods was consistently linked to an elevated risk of Crohn's disease, but not with a significantly higher risk of ulcerative colitis.
They noted that numerous previous studies have shown a clear pattern, and that, as a country's economy develops and modernizes, the incidence of Crohn's disease rises accordingly. This has long linked the condition to Western culture and lifestyles, with ultra-processed foods emerging as one of the key contributing factors.
Scientists discovered that certain common ingredients in ultra-processed foods, such as emulsifiers, maltodextrin, and carrageenan can compromise the integrity of the gut's epithelial barrier, disrupt the microbiome, and trigger inflammation. Ultra-processed foods, particularly breads, breakfast cereals, sauces, spreads, and ready-to-eat meals, demonstrated the strongest link to elevated Crohn's disease risk.
This new study suggests that avoiding ultra-processed food intake could significantly help manage and control the incidence of Crohn's disease while also aiding in broader health benefits.
To view the original scientific study click below:
Ultra-Processed Foods and Inflammatory Bowel Disease: A Narrative Review of Epidemiology, Mechanisms, and Dietary Implications
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