While most striations are benign, their appearance, timing, and other sensations can provide clues about your health.
1. Deep, visible ridges: These can signal nutrient deficiencies.
✅
Iron deficiency (anemia)
Can cause
brittle nails, ridges, and even spoon-shaped nails (koilonychia)
— especially in women with heavy periods or low meat consumption.
✅
Vitamin B12 deficiency
Can lead to
nails that are darkened, brittle, or split vertically.
— common in vegetarians, vegans, or those with digestive issues.
✅
Protein or biotin deficiency
Weak, flaky nails with an uneven texture—the body needs protein to produce keratin.
💡 Tip: If you also feel tired, pale, or dizzy, it may be time for a blood test.
2. Dryness and Dehydration: A Simple Solution
Your nails reflect your hydration status.
When you're dehydrated:
Nails become brittle, cracked, or have deep grooves.
The surface may appear dull or flaky.
✅ Fix: Drink more water. Apply cuticle oil or hand cream daily.
3. Chronic Stress and Sleep Problems: The Hidden Factors
Long-term stress and sleep problems disrupt:
Blood flow to the nail bed
Hormonal balance
Cell regeneration
This can lead to:
Beau's lines (deep horizontal grooves – a sign of illness or stress)
See the rest on the next page
