A homocysteine blood test is done to: 1  Help identify vitamin B12 deficiency or folic acid deficiency. 2  Help identify a rare inherited disease (homocystinuria) that causes a deficiency of one of several enzymes needed to convert food to energy.  Help determine a cause for otherwise unexplained blood clots.
Category : Causes of Bed Sores. Common Causes of Bed Sores. Bedsores are damaged skin caused by a lack of proper blood flow to the skin because of pressure. The bedsore can occur in individuals at any age when bedridden, in a chair or wheelchair without the ability to reposition themselves.
Cold sores are typically caused by Herpes simplex virus type 1 (HSV1). Genital herpes on the other hand is usually caused by a different strand of the virus called Herpes simplex virus type 2 (HSV2). It is possible to transfer the different viruses to other areas of the body.anker sores are not a form of herpes, however, they are often confused and mistaken for cold sores. Canker sores are ulcerations, especially of the lip or oral mucosa and can be caused by acute stress, trauma to the area in your mouth, allergies, or by a reaction to a particular bacteria.