Walnut consumption is shown to be protective against inflammation such as ulcerative colitis by changing the metabolites in the fecal stream and tissues.
The effects of smoking on the heart and lungs is well known and now it is found to trigger white blood cells to cause colitis.
Broccoli can alter the structure of microbes in the gut to protect the digestive system from toxins.
Titanium dioxide (TiO2) nanoparticles added to foods can worsen intestinal inflammation in persons with inflammatory bowel disease such as ulcerative colitis.