Some reasons are common and can be treated at home, such as an injury. But there may be more serious reasons for fingernail pain that require medical treatment. Share on Pinterest Getty Images There ...

Vertical fingernail ridges are usually harmless and often appear due to aging. Horizontal ridges might indicate health issues ...

Your fingernails might seem like simple protective coverings for your fingertips, but they’re actually sophisticated diagnostic tools that can reveal crucial information about your protein intake.