Increasing this can boost your brain, decrease anxiety, improve cardiovascular health and more. When you go to the doctor’s office for a yearly checkup, there are probably some health markers you’re used to getting checked, like heart rate , blood pressure and cholesterol levels. There’s another one you might haven’t heard of, and it plays a role in longevity , heart health , brain health and emotional well-being. The marker we’re talking about is VO2 max, or volume oxygen max, which plays a