Photo collage featuring an older woman balancing, a person checking heart rate on a smartwatch, and lifting weights
  • Three essential fitness metrics can help you maximize your workouts for longevity.
  • Your VO2 max can help assess heart health, while muscle mass and balance are key to staying active.
  • This article is part of "Trends in Healthcare," a series about the innovations and industry leaders shaping patient care.

Exercise is one of the closest things we have to a miracle drug when it comes to living a longer, healthier life — and three essential fitness metrics can help you get the most bang for your buck.