Cervical polyps are noncancerous tumors that don’t cause symptoms and may not require treatment. Getting regular pelvic exams and Pap tests can help detect cervical polyps early. Cervical polyps are ...

Bacteriophages, or phages for short, are viruses that infect bacteria and kill them through a lysis process. Phages can kill bacteria on or in a multicellular host organism, such as the polyp of the ...

In the animal kingdom, specific growth factors control body axis development. They are produced by a small group of cells at one end of the embryo to be distributed in a graded fashion toward the ...

A hyperplastic polyp is a growth that can develop in the colon or stomach. They do not always cause symptoms, but some people may experience rectal bleeding. Rarely, the polyps may be precancerous.

Hyperplastic polyps in the colon are typically harmless, with a very low risk of causing cancer. However, doctors may choose to painlessly remove them during a colonoscopy. Hyperplastic polyps are ...

Gallbladder polyps are abnormal growths inside the gallbladder, the small organ in the upper right abdomen that stores digestive bile. Inflammation, cholesterol, abnormal cell growth, and, in rare ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...