It was the first day of spring break in 1992 in Phoenix, Ariz. 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 ...

For years, the appendix carried a reputation as the body’s most pointless organ. Doctors often removed it without hesitation, and textbooks labeled it a vestigial structure—something our ancestors ...

The colon is part of the digestive system. It helps the body absorb water and nutrients from food before excreting the waste. It is made up of muscle and located just below the stomach. People ...