What it might mean:
Dry, cracked skin → Possible thyroid problems
Yellow or thickened nails → Fungal infection, psoriasis, or lung issues
Dark streaks under the nail → Rare but could signal melanoma
Watch for: Persistent dryness, brittle nails, thick or oddly shaped toenails, or unusual lines.
What to do: Moisturize daily, wear breathable shoes, and see a dermatologist if you notice suspicious changes.
6. Foot Pain or Cramps