- Arthritis is a general term for pain in the joints. The pain is usually caused by inflammation due to damage in the joints which nature is trying to heal. The damage may have been caused by injury. Or it may be due to deposits of some toxic substance forming on or in the cartilage that makes up the inner lining of the joints. This leads to degeneration of the joints and chronic arthritis…..Read more:iv-p13-arthritis-a-physiological-approach