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

SHANGHAI, March 20 (Reuters) - Mercedes driver Kimi Antonelli said he was "surprised by the level of intensity" required to stay with the front-runners during his first Formula One race in Australia ...

High-intensity exercise has many advantages, but it's not for everyone. Older people, people with chronic health conditions, and those with disabilities can't perform vigorous exercise. Low-intensity ...