Why do humans have an appendix? New research is reshaping our understanding of this overlooked organ and its antiquated role ...

Biologists say the appendix isn’t useless after all. Evolution kept reinventing it, and it may help support gut immunity and ...

It was the first day of spring break in 1992 in Phoenix, and 12-year-old Heather Smith was excited for her family's upcoming ski trip. But before Smith and her family had even packed their snow pants, ...

Appendix cancer, also called appendiceal cancer, is when abnormal cells grow and form a tumor in the appendix. Your appendix is a little pouch-like organ attached to the lower right side of your large ...

Appendicitis symptoms start with belly pain that moves and intensifies in your lower right side. Without surgery, perforated appendicitis can lead to serious complications like peritonitis or sepsis.

Most people know only two things about the appendix: You don’t need it – and if it bursts, you need surgery fast. That basic story traces back at least to Charles Darwin, the English naturalist who ...