Many of the body's biggest flaws are the result of evolution building on old designs instead of starting over. Our spine, ...

Why humans have a philtrum, the groove above your lip, explained by an evolutionary biologist — from embryonic face-building ...

"Being strong doesn't mean you aren't scared, it means you keep going despite it," Lana Nolan, who underwent two surgeries to treat cancer, said Cara Lynn Shultz is a writer-reporter at PEOPLE. Her ...

Lower right abdomen pain can be a sign of a serious problem like appendicitis. Seek medical help if you have severe pain, difficulty breathing, or blood in your stool. Appendicitis is an emergency ...