Arthritis is a condition where one or more of your joints (the places where two bones meet) are inflamed, causing pain, swelling, and stiffness. There are many types of arthritis such as inflammatory arthritis degenerative arthritis, psoriatic arthritis, gout arthritis, infective arthritis, but the two most common ones are osteoarthritis and rheumatoid arthritis. Osteoarthritis is like wear and tear on your joints over time. It often happens as people get older and the protective cushioning between the joints, called cartilage, breaks down. It can make joints like knees, hips,and hands hurt and become stiff.