Dr. Chris Raynor knows his bones, so who better to ask about every bone in the human body? Keanu Reeves in the John Wick series has seen his fair share of bumps and ...

You've probably heard that exercise is crucial for almost everything in our bodies, from the heart to our mood. But what about our bones? Those structures that support us and allow us to move—do they ...

Our bones did not begin deep inside the body. They started in the skin, not long after the first complex animals took shape.

These days, getting fit is all about gaining muscle. But what about the intricate structures holding that muscle (and the rest of you) in place? Yes, we’re talking about your bones. They give your ...

Teeth are not bones; they are harder and made for chewing. Teeth are part of the digestive system, not the skeletal system. Enamel is the hardest substance in the human body and protects teeth. Teeth ...