What am I lacking if my nails keep breaking? Uncovering nutritional deficiencies
                                
                                
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                                    3 min read                                
                            
                                Research from Harvard Medical School indicates that nearly 27% of women experience brittle nails. When this happens, it's natural to question, "What am I lacking if my nails keep breaking?", as fragile nails can often signal a deficit in essential vitamins or minerals.