What causes diverticulosis and diverticulitis?
• Diverticulosis is usually caused by chronically increased pressure and strain on the colon wall. • A low-fiber diet (common in industrialized Western countries) is correlated with diverticulosis. The disorder is almost unheard of in rural Asian and African societies, where a high-fiber diet is the norm. • Hereditary factors may play a small role in the development of diverticulosis. • Increased pressure on the colon from straining during bowel movements or from chronic constipation may lead to the formation of diverticula. Prevention of Diverticulosis and Diverticulitis • Eat a high-fiber, low-fat diet. Foods high in fiber include fruits, vegetables, and whole-grain breads and cereals. • Drink plenty of fluids (at least eight full glasses of water a day) to help soften stools. • Exercise regularly to help maintain regularity of bowel movements. Diagnosis of Diverticulosis and Diverticulitis • A barium enema may be performed. The barium creates a sharp image on x-ray of the digestive