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.
To determine the cause of any lower-extremity ulcer, a complete physical exam in imperative to accurately assess the patient's condition. Any comorbid conditions that may contribute to the development of the ulcers, such as diabetes mellitus, autoimmune disease, peripheral vascular disease, atherosclerosis, inflammatory bowel disease, and connective tissue disease, must be investigated.