Rheumatoid arthritis (RA) is a long lasting autoimmune disorder that primarily affects joints. It typically results in warm, swollen, and painful joints. Pain and stiffness often worsen following rest.Most commonly the wrist and hands are involved with typically the same joints involved on both sides of the body.heumatoid arthritis (RA) is a long lasting autoimmune disorder that primarily affects joints. It typically results in warm, swollen, and painful joints. Pain and stiffness often worsen following rest.
tuberous sclerosis a congenital heredofamilial disease, transmitted as an autosomal dominant trait, characterized principally by the presence of hamartomas of the brain (tubers), retina (phakomas), and viscera, mental retardation, seizures, and adenoma sebaceum, and often associated with other skin lesions.
Contagion and contagiousness refers to how easily the spread of Sexually Transmitted Diseases is possible from one person to another. Other words for contagion include infection, infectiousness, transmission or transmissability.ontagion summary: STDs may be spread by various types of sexual behavior. Many are spread by secretions; some are spread simply by the close physical contact from sex.