The actor Adan Canto’s death from appendiceal cancer—or cancer of the appendix—came as a shock to his fans. Canto, who died on Jan. 8 at age 42, had kept his diagnosis and treatment private, and his ...

Just when we thought we had enough on our medical to-do list—Pap smears, mammograms, cholesterol checks, stress management, hydration, posture—now we’re hearing that appendix cancer is on the rise?

For years, the appendix carried a reputation as the body’s most pointless organ. Doctors often removed it without hesitation, ...