Prevalence - in this case, a measure of the number of people with lupus in a certain place at a certain time. Proteins - molecules made from chains of amino acids coded for in the genes. Hormones, components of the complement and clotting cascade, histamine and enzymes are all proteins. Proteinuria - the presence of protein in the urine, this indicates a problem in the kidneys. Back to top Psoriasis - chronic skin condition in which itchy, scaly pink patches form on the elbows, knees, scalp and other parts of the body.
Psoriasis is one of the commonest skin conditions in Britain.
Schizophrenia - a mental disorder characterised by a loss of contact with reality. A schizophrenic often becomes socially withdrawn and loses energy and initiative. The virus can remain in the system for years. If you had chicken pox as a child, the infection can become active again later in life due to certain factors. Spleen - found on the left side of the body, below and behind the stomach.