# 5 Nail Changes That Signal Hidden Health Problems 2026-08-10T05:59:16+00:00 | Health & Science | Indian Opinion Desk Corroboration: 1 independent outlet Maryland physician Dr Kunal Sood listed five nail signs that may indicate underlying health conditions in an Instagram post on August 8. Spoon-shaped nails (koilonychia) are classically linked to long-standing iron deficiency but require blood tests for confirmation. Small white spots usually stem from minor trauma, not nutritional gaps. A new dark or brown streak on a single nail needs a dermatologist’s evaluation, as it could be subungual melanoma. Yellow, thick nails often signal fungal infection but can also result from psoriasis or trauma. Nail clubbing, enlarged fingertips with increased curvature, may point to lung, heart, liver or inflammatory bowel disease. The article stresses that nail changes alone cannot diagnose a disease. ## Coverage - timesnownews.com Tags: clubbing, fungal infection, health warnings, iron deficiency, melanoma, nails Canonical: https://indianopinion.org/5-nail-changes-that-signal-hidden-health-problems/ License: Summary and commentary (c) Indian Opinion, reusable with attribution. Facts belong to the linked sources. Cite: https://indianopinion.org/5-nail-changes-that-signal-hidden-health-problems/#story-in-brief Review state: restored archive article, accurate at time of publication, not offered to search indexes.