If you increase your V2 Max, the maximum amount of oxygen that gets into your muscles during vigorous exercise, by 1 ml per minute per kilogram, it lowers your chances of dying because of the complications by ten percent folds. This is because a high V2 Max is directly associated with a stronger heart which is a good predictor of future health. In fact, AHA also suggested using it during clinical assessments as a prognostic score. Thus, increasing your V2 Max can help stave off the biggest threats to life associated with cardiovascular health issues.