It’s a new year, and you want to change your workout program, but you’re unsure whether to focus on volume or intensity.

‘A simple rule of thumb is the talk test. If you can speak in short sentences but not sing comfortably while walking, you’re ...

Even if you exercise every day — whether that’s at home, at the gym, or taking your dog for walks — you might not be getting as much physical activity as you think you are. The World Health ...