Vertical ridges can be a sign of aging or a lack of moisture in the nails. Sometimes, they can indicate nutrient deficiencies like iron or zinc.
Brittle nails that frequently split or peel may suggest a deficiency in vitamins like biotin or minerals such as calcium.
Contrary to popular belief, these are usually not a sign of calcium deficiency but often indicate minor trauma to the nail bed.
Yellowing can be due to fungal infections, smoking, or certain medications. Rarely, it might indicate more serious conditions like thyroid disease.
When nails curve around the fingertips and become soft, it can indicate lung or heart disease, or conditions that affect oxygenation.
If nails curve upward at the edges, resembling a spoon, it could indicate iron deficiency anemia or liver disease.
Small depressions or pits in the nails may be a sign of psoriasis or other inflammatory conditions.
Transverse depressions across the nails may appear after illness or injury, signaling temporary disruption in nail growth.
Bluish discoloration may indicate poor circulation or low oxygen levels in the blood, possibly due to lung or heart issues.
Nails that peel or flake can result from frequent exposure to water or harsh chemicals, or from conditions like thyroid disorders.
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