But how often you should work out each week varies, depending on factors like age and time constraints."You don't have to be exercising 14 to 16 hours per week," if doing so isn't feasible, Attia added.
Still, there is one specific way that people should structure their workouts to achieve optimal health, Attia said, regardless of how much time you have.The ideal exercise ratio for a long lifeHalf of the exercises you do weekly should be strength-training, Attia said on the podcast. This means if you're working out eight hours a week, you should devote four hours to developing your strength and stability.
Strength-training focuses on"increasing muscular strength, endurance, and bone density," according to the . It can also be referred to as resistance training, and the exercises can improve your insulin sensitivity and glucose metabolism, the CDC states.