Coal, oil and natural gas are three main types of fossil fuels. Fossils fuels are combustible materials that are formed over millions of years by the decomposition of plant and animal life. Continue Reading.
Some of the possible common medical causes of Extremity pain may include: 1  Brachial plexus lesions. 2  Carpel tunnel syndrome. 3  Biceps tendonitis.  Raynauds 1  phenomenon. Sickle cell anemia.  Black widow spider 1  bites. Polyneuropathy.  Cat scratch 1  disease. Post herpetic neuralgia.  Erythema nodosum.
When edema or. varicosities are unilateral or asymmetric, causes. local to the involved extremity are implicated. The. most common causes of unilateral or regional leg. edema are reported to be chronic venous insuffiÂ­. ciency and thrombophlebitis.1,2 Often medical. textbooks recommend an intense search for causes.