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.
RA begins in the smaller joints of the body. You are likely to have pain, stiffness and tenderness in the finger joints. As RA progresses, symptoms can develop in the larger joints such as the hips, shoulders, and ankles. Rheumatoid arthritis is a symmetrical disease.You will experience symptoms on both sides of your body at the same time.owever, there are different kinds of arthritis, including rheumatoid arthritis (RA) and osteoarthritis (OA). Although RA and OA both affect the joints, they are very different forms of the same broader condition. Rheumatoid arthritis is an autoimmune condition, while osteoarthritis is a degenerative joint disease.