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.
Lower extremity edema involves swelling of the feet and legs, which typically occurs due to an abnormal accumulation of fluid. This fluid buildup can be caused by a wide variety of factors, ranging from something relatively simple, such as standing too long, to something more serious, such as kidney disease.