Fingernails, often overlooked, are biological indicators of health. Conditions like clubbing, white flecks (leukonychia), blue nails, dark lines, spoon nails, and horizontal ridges can signal ...

If your nails are very thin to the point that they take a concave shape (hence the use of “spoon nails”) or even go flat, it could be an issue of iron deficiency or a very rare condition: ...

Dan Baumgardt does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Vitamin B12 performs a number of pivotal roles in the body and these roles are responsible for both physical and mental processes. It’s role in the nervous system is to transmit signals between the ...