Rheumatoid arthritis (RA) occurs when your body’s immune system attacks and destroys the tissues that make up your joints. The joints become swollen, stiff, and painful. In later stages, the joints can become deformed. Other areas of your body can also be affected, including your lungs, heart, blood vessels, and eyes. About 1 percent of [...]

Parkinson’s disease is a progressive disorder of the central nervous system. It causes tremors (especially in the hands) and rigidity (especially in the face). The disease affects men and women equally primarily after age 60. However approximately 10 percent of those with the disease are under age 40. Although no cure for the disease is [...]