Nutrition and Lifestyle Factors Associated with Inflammatory Bowel Disease


  • Tamara Qalqili Department of Nutrition and Food Technology, Faculty of Agriculture, The University of Jordan, Amman, Jordan.
  • Yaser Rayyan Department of Gastroenterology & Hepatology, School of Medicine, The University of Jordan, Amman, Jordan.
  • Reema Tayyem Department of Human Nutrition, College of Health Sciences, Qatar University, Doha, Qatar.



Inflammatory Bowel Disease; Ulcerative Colitis; Crohn’s Disease; Lifestyle Factors; Dietary Patterns.


Many dietary and lifestyle factors are found to be associated with the pathogenesis of IBD. The purpose of this study is to review the dietary and lifestyle factors associated with IBD. Several studies in IBD were discussed, and highlighted the independent effects of various dietary and lifestyle factors on the risk of IBD. IBD is chronic relapsing intestinal inflammatory disease characterized by complex interactions of multiple factors including smoking, major life stressors, diet and lifestyle.  This paper attempts to investigate the association between dietary patterns and IBD risk and compare lifestyle factors among IBD patients. Dietary factors tend to play a pivotal role in the disease etiopathogenesis and course. However, research on food and IBD is contradictory. An excessive intake of sugar and animal fat is considered a risk factor for the development of IBD, whereas a high fiber diet and high intake of fruits and vegetables may play a protective effect.  The role of lifestyle factors in IBD is crucial. Amply of evidence suggested that smoking is a causative agent in CD while it is protective against UC. Stress, depression, vitamin D deficiency and impaired sleep have all been all associated with incident IBD. A diet with a modified carbohydrate composition, a semi-vegetarian diet, a diet low in protein and fat and a diet low in fermentable oligosaccharides, disaccharides, monosaccharides and polyols should be taken into consideration for IBD patients.


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How to Cite

Qalqili, T., Rayyan, Y., & Tayyem, R. (2021). Nutrition and Lifestyle Factors Associated with Inflammatory Bowel Disease. Journal of Contemporary Medical Sciences, 7(2), 73–79.