What Causes Those Black Lines on Nails? Experts Explain
These black lines on fingernails may look like bruising or internal coloring - not like you just accidentally created an edgy ...
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Ohio Mom Discovers Cancer Deep in Her Thumb — and the Only Sign Was 2 Thin Lines on Her Nail
Kennedy News & Media Tagliamonte went to a dermatologist, who told her the “discoloration at the base of my thumb nail ... this black line in my nail was coming from inside the growth plate ...