Understanding **How Long Do You Need to Fast for Cell Regeneration?**
                                
                                
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                                    4 min read                                
                            
                                Research from the University of Southern California reveals that a 72-hour fast can trigger a significant regeneration of the immune system by shifting stem cells into a state of self-renewal. Understanding **how long do you need to fast for cell regeneration?** is key to unlocking these profound cellular benefits safely and effectively.