What is Rheumatoid Arthritis? Rheumatoid arthritis (RA) is a chronic inflammatory condition that affects the entire body, but especially the joints. The joints typically involved are the hands, feet, wrists, ankles, and knees. The onset of RA is usually gradual, but...

What is Psoriasis? Psoriasis is an extremely common skin disorder characterized by the appearance of plaque-like, silvery scale lesions caused by a pileup of skin cells that have replicated too rapidly. In addition to affecting the skin, psoriasis can cause an...

What is Prostate Enlargement? The prostate is a single, doughnut-shaped gland about the size of a walnut that lies below the bladder and surrounds the urethra. The prostate secretes a thin, milky, alkaline fluid that increases sperm motility and lubricates the urethra...

What is Parkinson's Disease? Parkinson's disease (PD) is a neurological disease resulting from damage to the nerves in the area of the brain that is responsible for controlling muscle tension and movement - the basal ganglia. The damaged cells are the ones needed to...

What is Osteoporosis? Osteoporosis literally means "porous bone." Osteoporosis involves both the mineral (inorganic) and nonmineral (organic matrix, composed primarily of protein) components of bone. Bone is dynamic living tissue that is constantly being broken down...

What is Osteoarthritis? Osteoarthritis (also known as degenerative joint disease) is a form of arhtritis (inflammation of a joint) caused by degeneration of cartilage. Cartilage serves an important role in joint function. Its gel-like nature provides protection to the...

What is Obesity? Obesity is defined as a state of being more than twenty percent above "normal" weight, or having a body-fat percentage greater than thirty percent for women and twenty-five percent for men. Another measurement of obesity is having a body mass index...

What is Multiple Sclerosis? Multiple sclerosis is a syndrome of progressive nerve disturbances that usually occurs early in adult life. It is caused by gradual loss of the myelin sheath that surrounds the nerve cell. This process is called demyelination. One of the...

What is Migraine Headache? A migraine is a vascular-type headache characterized by a sharp pounding pain located within one side of the head. The pain of a migraine is characterized as a throbbing or pounding sharp pain. It is typically noticed on just one side of the...