Science / Biology / Acquired Immunodeficiency Syndrome (Aids): A collection of disorders that develop as a result of infection by the human immunodeficiency virus (HIV), which attacks helper T cells, crippling the immune system and greatly reducing the bodys ability to fight infection; results in premature death brought about by various diseases that overwhelm the compromised immune system.
Science / Genetics / Marfan Syndrome: Autosomal dominant condition of connective tissue: affects the skeletal, ocular and cardiovascular systems. MORE
Science / Psychiatry / Klinefelters Syndrome: Chromosomal defect in males in which there is an extra X chromosome; manifestations may include underdeveloped testes, physical feminization, sterility, and mental retardation. MORE