Gemma Marin, 30, is a Spanish actress and dancer based in Los Angeles. Having danced since she could walk, she didn't even consider taking to the sidelines when she got pregnant with her first child, ...

The belly button — or navel — is where the umbilical cord is joined to the fetus. The umbilical cord runs from the fetus to the placenta. It supplies the fetus with nutrients and oxygen, and carries ...

DEAR MAYO CLINIC: Is breathing from your belly beneficial? If so, can you explain why and how to do it? ANSWER: From the day you're born, you know how to breathe correctly. That means letting the ...