Life-saving warnings your nails are sending
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Dry, Brittle Nails

If your nails often split, crack or peel, you could have dry, brittle nails caused by Thyroid Disease or a fungal infection.
Thickened Nails

Thickened Nails can be a sign of a fungal infection, but can also be indicative of Reactive Arthritis, Lung Disease, Diabetes or poor circulation.