Kidney stones are hard objects made from chemicals in your pee. They may be as tiny as a grain of salt or as big as a corn kernel. The stones can be brown or yellow, smooth or rough. They're a sign ...

THE publication in 1890 by the Scientific Publishing Company of New York of Dr. G. F. Kunz's valuable “Gems and Precious Stones of North America” showed for the first time the possibility of producing ...

Untreated appendicitis may cause your appendix to rupture (burst), resulting in an infection. Symptoms associated with a ruptured appendix include severe abdominal pain, fever, chills, and weakness.

Symptoms of appendicitis may require emergency medical attention. Without immediate care, the appendix can burst. A burst appendix releases bacteria and pus, which can cause severe complications. The ...