Fasting and Autophagy: How long do you have to fast for your body to eat itself?
                                
                                
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                                    4 min read                                
                            
                                Autophagy, derived from Greek for "self-eating," is a natural and beneficial cellular process where the body breaks down and recycles damaged or unnecessary components to regenerate newer, healthier cells. If you're considering fasting to trigger this cleanup, a key question arises: **How long do you have to fast for your body to eat itself?**