The exact causes of inflammatory bowel disease (IBD) are difficult to prove, but there are some recognized risk factors which we’ve listed below based on information from health.com:
People who live in developed western countries, like are more likely to have inflammatory bowel disease. This could be down to lifestyle choices such as smoking, drinking, a diet of processed foods, or the effects of pollution.
However, less-developed countries, particularly in Asia, are experiencing a rise in the number of cases of IBD. This could also be due to the increase of processed foods in worldwide diets or an increase in environmental pollution.