Your Nails Can Reveal Hidden Diseases | Don’t Ignore These Signs

Your nails grow slowly — which makes them powerful health indicators.

Changes in nail color, shape, texture, or surrounding skin can signal nutrient deficiencies, infections, or deeper health issues.

NAIL DISEASE SIGNS TO WATCH OUT FOR:

PALE NAILS

→ Often linked to anemia

→ May indicate low iron or poor circulation

YELLOW NAILS

→ Common in fungal infections

→ Can also be seen with smoking or lung issues

CURVED / SPOON-SHAPED NAILS

→ Often associated with iron deficiency

→ Can affect oxygen delivery

PITTED NAILS

→ Small dents on nail surface

→ Common sign of psoriasis

THICK, BRITTLE, DISCOLORED NAILS

→ Typical of fungal nail infection

→ May spread if untreated

NAIL LINES / RIDGES

→ Possible sign of malnutrition or stress

→ Can follow illness or nutrient shortages

BLACK OR DARK LINE UNDER NAIL

→

Could indicate melanoma

→ Needs urgent medical evaluation

RED, SWOLLEN SKIN AROUND NAIL

→ Paronychia (bacterial or fungal infection)

→ Pain, pus, or tenderness may appear

BRITTLE, CRACKED NAILS

→ Often linked to thyroid imbalance

→ Can also be due to dehydration or nutrient loss

Your nails show problems before symptoms appear elsewhere.