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

In the 48-second clip, she asked her followers to check if they have a dark vertical line going down their nails, then they should visit a doctor and get it checked. This may be a sign of a rare ...

A MUM claims her monthly manicures “saved her life” after noticing a strange symptom during an appointment. Michelle Tagliamonte, 58, spotted faint black lines on the nail of her her ...

Longitudinal ridging, which is clinically known as onychorrhexis, occurs on the nails and may appear as vertical striations or lines that originate from the base of the fingernail and continue to ...