Arthritis is the inflammation of your joints. The two most common forms of arthritis are osteoarthritis and rheumatoid arthritis. There are many forms of arthritis today. In the U.S. it is the most chronic illness. The main symptoms of are joint pain and stiffness. Symptoms include: pain, stiffness, swelling, redness, and decreased range of motion. The symptoms of arthritis can actually affect other organs in the body such as the lungs, heart, and kidneys. Arthritis can damage j