In the absence of programmed death, cells become immortal and turn into cancers.
Apoptosis ensures that cells self-destruct on schedule and are eliminated from the body.
Learning about the mechanisms of apoptosis may lead to new cancer treatments. About Apoptosis Information from the National Institutes of Health. Apoptosis General information from a biology textbook written by John W. Kimball. The Cell Death Society Organization based in New York City. Site has definitions , a history and numerous other resources.