Diverticular Disease is a muscle spasm from our colon with the presence of diverticula. It could cause abdominal pain and also a disturbance with our bowel function. Diverticular Disease or Diverticulosis is a muscle spasm from our colon with the presence of diverticula. It could cause abdominal pain and also a disturbance with our bowel function.. Most patients with diverticulosis have few or no symptoms. The diverticulosis in these individuals is found incidentally during tests for other intestinal problems. It has been thought as many as 20% of individuals with diverticulosis will develop symptoms related to diverticulosis, primarily diverticulitis; however, the most recent study suggests that the incidence is closer to 5%. Once formed, diverticula are permanent. No treatment has been shown to prevent complications of diverticular disease. When diverticulosis is associated with inflammation and infection the condition is called diverticulitis Diet: Diets high in fiber