Is ADF Unhealthy? What Science Says About Alternate-Day Fasting
                                
                                
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                                    5 min read                                
                            
                                While alternate-day fasting (ADF) can lead to a 5-8% reduction in body weight over 8-12 weeks, its safety and long-term viability have been questioned. Deciding "is ADF unhealthy?" depends heavily on individual health, adherence, and how the diet is approached.