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 ...

It's no secret that getting enough exercise is vital for both your physical and mental health, but it can be difficult to get started. It can be even harder to maintain a workout routine, especially ...

New to yoga? This 20-minute at-home guide teaches beginners how to stretch, strengthen, and relax with easy-to-follow exercises. As we step into a new year, one thing almost everyone promises ...

Getting back in the gym can feel like a monumentous task—especially if you're new to working out. The gym can be a scary place—but being armed with the right tools can bring lower the anxiety, and up ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. While many types of ...