Over the years MH has covered the ideal amount of exercise people should do, and, like Dr. Attia, MH recommend more exercise weekly—ideally 7 to 10 hours— than the government's regulations. Currently, the CDC says :
Adults need at least 150 minutes of moderate-intensity physical activity a week. There are multiple ways to break this up, but an easy way to think about it is that you should fitness 30 minutes a day, 5 days a week.
The latest research reveals that you need a combination of different intensities of cardio, as well as consistent strength training and stability exercises to be your best self. Here's how much you should get to be at your best.
Dr. Attia says your VO2 max is a good proxy measure of physical capability: It indicates what you can—and cannot—do. Studies suggest that VO2 max will decline by roughly 10 percent per decade after your 20s and up to 15 percent per decade after age 50. Increasing your VO2 max makes you functionally younger. So having average or even above-average VO2 max has long-term ramifications. Dr. Attia's goal for his patients is to be at an excellent level for the decade (or two) below their age. Many smartwatches can estimate VO2 max, but a real test (e.g., the Cooper 12-Minute Run) is better and VO2-max charts are easy to find online.
You can improve VO2 max by as much as 17 percent per year. But you need to put in the work. Dr. Attia advises that patients do at least three 45 to 60-minute cardio sessions per week in zone 2 of their heart rate (57 to 65 percent of max heart rate, a gentle intensity during which you can say a complete sentence). They can involve running, cycling, rowing, even rucking. This is optimal for the health and efficiency of your mitochondria, the factories that burn fat and glucose to power your muscles and that decline as you age.
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