Strongly linked to:
Iron deficiency anemia
Hemochromatosis (iron overload)
Heart or liver disease
This is a classic clinical sign — worth getting blood work done.
6. Ridges Across the Nail (Beau’s Lines)
Deep horizontal grooves across the nail
Appear when nail growth pauses due to:
Severe illness (like pneumonia or high fever)
Chemotherapy
Diabetes flare-up
Major stress or surgery
The line’s location can help estimate when the stress occurred (nails grow ~3mm/month).
7. Clubbed Nails (Bulbous Tips & Curved Nails)
Nail beds soften, nails curve downward, fingertips puff up
Serious red flag for:
Lung disease (COPD, lung cancer)
Heart disease
Crohn’s disease or liver cirrhosis
This requires immediate medical evaluation .
️ How Diet Impacts Nail Health
Your nails need specific nutrients to stay strong and grow properly.
Key Nutrients for Healthy Nails:
Biotin (B7)
Strengthens keratin
Eggs, nuts, sweet potatoes
Iron
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