This key metric reflects how much oxygen your body uses during a workout. But it isn’t just for athletes—your VO2 max is a critical indicator for your future health and longevity. Understanding your ...

Dr. Peter Attia says longevity is about living longer and improving your quality of life — and intense exercise is part of ...

Learn more about this metric and the best training sessions to add to your schedule to boost your cardio fitness.

Until recently, VO2 max testing has been inaccessible to most everyday athletes. Unless you had an in with an exercise physiology lab, you had to rely on back-of-the-envelope calculations or wearable ...