What is cancer? Cancer is a group of many related diseases that begin in cells, the body's basic unit of life. All of the bodies tissues and organs are composed of cells of various types. Normally, cells grow and divide to form new cells i...

Papular urticaria, usually called hives, is characterized by large numbers of very itchy red bumps (papules) that come and go every few days over a period of a month or so. The bumps are usually between 0.2 and 2 cm. in size and some may develop i...

What is cancer? Cancer begins in cells, the building blocks that make up tissues. Tissues make up the larynx and the other organs of the body. Normal cells grow and divide to form new cells as the body needs them. When normal cells...

Diffuse idiopathic skeletal hyperostosis (DISH), also known as Forestier's disease, affects the ligaments around the spine. Sections of the ligaments turn into bone in this disorder, which is considered to be a form of degenerative arthritis. ...