What Causes Headaches During Dieting?
                                
                                
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                                    4 min read                                
                            
                                According to research, as many as one-third of people who are dieting experience headaches due to changes in their eating habits. So, what causes headaches during dieting? The pain is often triggered by changes in blood sugar, fluid balance, and electrolyte levels as the body adjusts to a new regimen.