While plenty of beginners can pick up a program and figure out the gym machines as they go, it’s also totally normal to feel intimidated by the whole process. Especially if programs and videos seem to ...

This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. “Right to the core,” “core values,” and “hardcore.” These little idioms highlight just how vital the concept of “core” is in our lives ...