| http://www.w3.org/ns/prov#value | - ling in the legs or feet) Inflammatory diseases including vasculitis, lupus, scleroderma or other rheumatological conditions Other medical conditions such as high cholesterol, heart disease, high blood pressure, sickle cell anemia, bowel disorders History of smoking (either current or past) Pressure caused by lying in one position for too long Genetics (ulcers may be hereditary) A malignancy (tumo
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