We all know there's a heart in the body; we've been reading about it since childhood. As long as it beats, humans live. Let's tell you about the second heart and where it is located. Where is the ...

Your chest may not be the first muscle group that comes to mind when you think about pull-ups—but if you want to lift your body with control, you can’t skip it. A strong chest helps you stabilize your ...

Welcome to Start TODAY. Sign up for our Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! Did you know that your chest muscles are essential in ...