Is Juicing for 21 Days Healthy? The Truth About Prolonged Cleanses
                                
                                
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                                    5 min read                                
                            
                                According to a Northwestern University study, a juice-only diet for even just three days can trigger shifts in gut and oral bacteria linked to inflammation and cognitive decline. So, is juicing for 21 days healthy, and what happens when you extend this practice over three weeks?