If you had to choose between Zone 2 cardio and strength training for longevity, which one would you pick? This has become a pretty popular debate in the longevity world. One person tells you that lifting weights is the secret to staying strong and independent as you age. Someone else tells you that Zone 2 cardio is the key to keeping your heart healthy and living longer. So who is right? Well, annoyingly, they both are. The truth is that strength training and cardiovascular e