Medically reviewed by Casey Gallagher, MD Vertical fingernail ridges are usually harmless and often appear due to aging.Horizontal ridges might indicate health issues like vitamin deficiencies or ...

The cause of your nails changing texture or shape may not always be a cause for concern.  Fingernails and toenails often ...

Your hands and nails can offer warning signs of underlying disease and even chronic conditions like arthritis or psoriasis.

The nail condition koilonychia produces spoon-shaped nails, because iron deficiency causes anemia. The growth of nail cells ...