What is Peter Attia's fasting schedule and why did it evolve?
                                
                                
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                                    4 min read                                
                            
                                Since 2020, longevity expert Dr. Peter Attia has moved away from rigid, extended fasting protocols toward a more flexible and personalized approach. His evolved perspective on what is Peter Attia's fasting schedule prioritizes muscle mass preservation and diet quality, a significant shift from his previous regimen of multi-day water fasts.