Arthritis is one of the most common diseases that is affected by more than 50 million adults in America. The terrible fact about this health issue is that it is not a single disease; rather it is referred to as a kind of joint disease or joint pain. You will be surprised to know that there are more than 100 types of arthritis along with many other disease conditions related to them. It can affect patients irrespective of their sexes, ages, and races. Arthritis is currently observed to be the most common cause of disability among Americans.