Medically reviewed by Susan Bard, MD A black line on the nail could be normal, such as when it is just a color variation.

From the mysterious white flecks that sometimes appear on nails to unusual ridging or changes in thickness, what do these ...

Nail health can indicate potential underlying health issues, with changes such as ridges, discoloration, and textures being ...

Nail pitting could be a sign of psoriasis, or a skin disease that causes dry, thick patches of skin. 9. Dark Stripes or a Painful Growth See a healthcare provider right away if you have black ...

Issues with making skin cells and a skin protein called keratin can change how your nails grow, leading to onychorrhexis. Onychorrhexis causes vertical ridges on your fingernails. It often happens ...

Nails may hurt due to an infection, nail biting, injury, or other causes. Treatment depends on the cause and may involve home remedies and medical treatments. Nail pain may be due to temporary ...

Worried that the white spots under your nails could be a sign ... carrots can help you see in the dark to the belief that cracking your knuckles can cause arthritis, many of us grew up being ...

I have a question - Can Raynaud’s syndrome cause nails to turn black? Ed’s note: This question comes from a reader in response to the December 28 article, ‘My child’s toe nails have turned ...