Longevity Protocols

Clear, actionable protocols you can implement today—no PhD required. Each one includes evidence ratings, time commitments, and practical steps for adults 50+.

Zone 2 Cardio Training
Exercise
By Peter Attia
Low-intensity aerobic exercise to build mitochondrial density and metabolic flexibility.
BeginnerStrong Evidence
3-4 hours per week$0-200 (heart rate monitor optional)
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Zone 2 Cardio Training

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