Digestive: irritable bowel syndromeThis disease affects the muscles of the intestines. This can cause gas, abdominal pain, diarrhea and constipation. This usually does not lead to other illnesses. Most people can control symptoms through diet, stress management, and medication. Inflammatory Bowel Diseases Inflammatory bowel diseases include Crohn's disease and ulcerative colitis. This can lead to serious intestinal problems, abdominal pain and malnutrition. Crohn's disease and ulcerative colitis can also be painful and debilitating. Medications can eliminate symptoms and prevent flare-ups. Surgery may be necessary in some cases to repair the colon. Diverticulitis The disease occurs when pockets in the large intestine become infected and inflamed. Symptoms may include, but are not limited to, severe abdominal pain, often in the lower left side of the abdomen, constipation, diarrhea, nausea and fever.Circulatory: Deep vein thrombosisDeep vein thrombosis occurs when blood clots form in one of the deep veins of the thigh or calf. Many people with this condition have no symptoms, but they may experience leg pain, swelling, or discoloration of the skin. It can be life-threatening because it can cause pulmonary embolismPolyarteritis nodosaPolyarteritis nodosa is an inflammatory disease of small to medium-sized arteries. Many systems, including the skin, central nervous system, heart, kidneys and intestinal tract. It is usually associated with hepatitis B but the cause is generally unknown. Symptoms vary however, fever, night sweats, weight loss, fatigue and muscle and joint pain are normal. Treatment depends on the severity of the case.Arteriovenous MalformationsArteriovenous malformations are abnormal tangles of blood vessels in the middle of a paper ......e the most common group of birth defects. defects in the blood vessels entering and leaving the heart. Left heart hypoplasia, in which the left side of the heart and blood do not develop properly, is an example of a common heart abnormality. Clubfoot corresponds to abnormalities of the bones, muscles and ligaments of the foot. This causes the feet to point downward and makes it difficult to work. Treatment includes foot casting. Neural Tube Defects Neural tube defects occur every 2,000 births. Two common forms of neural tube defects are spina bifida, in which the spinal cord is not completely enclosed, and anencephaly, where part of the brain is missing. Spina bifida can be mild or severe. Treatment includes exercises and physical therapy or corrective surgery.