A dermatologist has spoken about a red flag you can spot if you look at your nails – and urged people to call a health ...

These black lines on fingernails may look like bruising or internal coloring - not like you just accidentally created an edgy ...

In addition to onychorrhexis, several other types of lines can develop on nails and indicate different health issues. These can include leukonychia striata, longitudinal melanonychia, longitudinal ...