Celiac disease is an uncommon disease in which your immune system attacks the cells lining the small intestine. Signs and symptoms of celiac disease may include: 1  diarrhea,  bloating,
In humans, disease is often used more broadly to refer to any condition that causes pain, dysfunction, distress, social problems, or death to the person afflicted, or similar problems for those in contact with the person.orbidity (from Latin morbidus, meaning sick, unhealthy) is a diseased state, disability, or poor health due to any cause. The term may be used to refer to the existence of any form of disease, or to the degree that the health condition affects the patient.
Dementia: Irreversible Causes. Dementia has many different causes, some of which are difficult to tell apart. Many medical conditions can cause dementia symptoms, especially in older people. 1  The causes of dementia include various diseases and infections, strokes, head injuries, drugs, and nutritional deficiencies. Like Alzheimer's disease, Lewy body dementia is not reversible and has no known cure. 2  The drugs used to treat Alzheimer's disease also benefit some people with Lewy body disease. 3  Huntington's disease: This inherited disease causes wasting of certain types of brain cells that control movement as well as thinking.