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Definition Diarrhea is loose, watery stools. A person with this typically passes stool more than three times a day. People with it may pass more than a quart of stool a day. Acute diarrhea is a common problem that usually lasts 1 or 2 days and goes away on its …

Definition Diabetes Mellitus Type 1 is an auto-immune condition in which the body destroys the cells in the pancreas that produce insulin. This happens because the cells that make the insulin (beta cells) have been destroyed by the body’s own immune system. Insulin is the hormone that helps move sugar, …

Introduction Depression also called “clinical depression” or a “depressive disorder” is a mood disorder that causes distressing symptoms that affect how you feel, think, and handle daily activities, such as sleeping, eating or working. Everyone feels sad or low sometimes, but these feelings usually pass with a little time.   …

Definition Diphtheria is an infectious disease caused by the Corynebacterium species of bacteria and is most often associated with a sore throat, fever, and the development of an adherent membrane on the tonsils and/or nasopharynx. Severe infections can affect other organ systems such as the heart and the nervous system. …

Description  Dercum’s disease is an extremely rare disorder characterized by multiple, painful growths consisting of fatty tissue (lipomas). These growths mainly occur on the trunk, the upper arms and upper legs and are found just below the skin (subcutaneously). Pain associated with Dercum’s disease can often be severe. Pain may …

Definition Duane syndrome (DS) is a rare, congenital disorder of eye movement. In most patients, DS is diagnosed by the age of 10 years. DS is a miswiring of the eye muscles that cause some eye muscles to contract when they should not and other eye muscles not to contract …