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.
A ubiquitous and potentially disabling cause of osteoarthritic pain of the lower back and legs is stenosis of the lumbar spinal canal. This treatable condition is often a major cause of inactivity, loss of productivity and, potentially, loss of independence in many persons, particularly older persons.