The First Psychology Lab in the U.S. In 1883, Wundt's student G. Stanley Hall created the first experimental psychology lab in the United States at John Hopkins University. This helped mark the establishment of psychology in the U.S. and contributed to the further growth of the field.
So an accurate diagnosis is important. Osteoarthritis is the most common form of arthritis. Rheumatoid arthritis affects about one-tenth as many people as osteoarthritis. The main difference between osteoarthritis and rheumatoid arthritis is the cause behind the joint symptoms.Osteoarthritis is caused by mechanical wear and tear on joints. Rheumatoid arthritis is an autoimmune disease in which the body's own immune system attacks the body's joints.heumatoid arthritis affects about one-tenth as many people as osteoarthritis. The main difference between osteoarthritis and rheumatoid arthritis is the cause behind the joint symptoms.
The two most common forms of arthritis from disease are osteoarthritis and rheumatoid arthritis. Osteoarthritis is much more common and generally affects older people. Also known as wear and tear arthritis, osteoarthritis causes cartilage to wear away. It appears in a predictable pattern in certain joints.Rheumatoid arthritis is a chronic disease that can affect many parts of your body. It causes the joint lining (synovium) to swell, which causes pain and stiffness in the joint.Rheumatoid arthritis most often starts in the small joints of the hands and feet.It usually affects the same joints on both sides of the body.imply defined, arthritis is inflammation of one or more of your joints. The most common types of arthritis are osteoarthritis and rheumatoid arthritis, but there are more than 100 different forms. Healthy joints move easily because of a smooth, slippery tissue called articular cartilage.