A personal trainer at a longevity clinic says you should care about 3 fitness markers if you want to live a long, youthful life

• 05/15/2024, 3:19 PM
• businessinsider.com

Getty Images; Alyssa Powell/BI

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.