What Happens to Your Breath When You Fast?
                                
                                
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                                    5 min read                                
                            
                                According to dental professionals, decreased saliva production is a leading cause of halitosis, and this is a central factor in what happens to your breath when you fast. During periods without food or water, the body undergoes several changes that can lead to unpleasant breath, from metabolic shifts to bacterial overgrowth. This guide explains the science behind the phenomenon and provides practical solutions.