Health on MSN

What a Black Line on Your Nail Means

Melanonychia, also known as a dark or black line on the nail, causes a streak of dark pigmentation that runs along the nail ...
People

Ohio Mom Discovers Cancer Deep in Her Thumb — and the Only Sign Was 2 Thin Lines on Her Nail

Michelle Tagliamonte, 58, was getting a manicure when she noticed two black lines, which signaled the start of a fast-spreading cancer Kennedy News & Media Michelle Tagliamonte, 58, noticed black ...