Most Replayed Moment: The 7-Day Training Blueprint To Live Longer! Peter Attia

The segment opens with the host, who says they are 32, asking which parts of their health matter most if they want to stay capable of the things they hope to do in their final decade. Attia answers by naming two qualities rather than a list of exercises. He starts with an observation about what people do and don't regret.

No one in the final decade of their life ever said, I wish I had less strength and I wish I had less endurance.

His conclusion is "you cannot be too strong and you cannot be too fit", but he adds two conditions right away. You should ease off chasing strength or fitness if doing so costs you something else in your health or your life, or if pushing it to an extreme level creates a risk of injury. The rest of the conversation keeps returning to that second condition.

To show what he means by trade-offs, Attia lays out what he calls "the general patterns of resistance training". One to five reps is the sweet spot for pure strength. Seven to twelve reps is the range for hypertrophy, meaning muscle size. Muscular endurance is "north of 15". The host repeats this back: heavier weights and lower reps for strength, ten or twelve reps for aesthetic size goals, and higher reps with lower weight for endurance. Attia agrees and says the topic could be covered in much more detail.

He then says he no longer does any training at one to five reps. His reason is that training in that range carries risk, especially with heavy compound movements. He accepts "a little bit less of a strength benefit" and stresses that he still gets stronger training at higher rep loads. This is the injury-risk condition from his opening answer applied to his own training.

His current target is eight to twelve reps with one to two reps in reserve. That means every set should end within about one rep of failure. He describes that day's session: no set under seven reps, none over twelve. He adjusted the weight constantly on each exercise so that he was failing, almost failing, or one rep from failing. The one exception was pushups, which he puts closer to muscular endurance and did for more reps.

He admits this means he is "not fully maximizing strength anymore" because the injury cost "might be a little bit high". He also notes a time limit: he can't strength train all the time because he needs room for endurance work and other types of training. That is the first condition from his opening answer, where chasing one goal comes at the expense of others.

Attia says he trains every day. He explains that this works because the intensity is not that high on at least some days. His week breaks down as follows:

Three resistance days. He calls these "pretty hard" because he trains each body part only once a week, spending about 90 minutes "really hammering those body parts". Three zone two days on a bike. He rides at an intensity where he can still talk, though "in a sort of a strained way". For him that is a heart rate of about 140 beats per minute, and he describes these as "almost like recovery days". One VO2 max day each week, which he calls "really, really hard".