Michelle Tagliamonte, 58, was getting a manicure when she noticed the black lines on her thumb, which signaled the start of a ...

Repeated trauma to the nail matrix from chronic nail biting or picking can lead to a black line on one or more nails. Repeated microtrauma activates melanocytes in the nail matrix or bed ...

can lead to a temporary interruption in nail growth, experienced by the nail matrix, and then can result in a Beau’s line. However, that’s not to say that it’ll happen everytime someone gets ...

Michelle Tagliamonte, 58, spotted faint black lines on the nail of her her right thumb while getting a manicure in September last year. But when the marks hadn't grown out by her next nail session ...

An Ohio mother-of-two made a crucial health discovery after spotting black lines on her thumb during a routine nail appointment, as reported by Daily Mail. Ohio woman noticed black lines on her ...

Related: Mom's Stage 4 Melanoma Spread from Fingernail to Brain, Says She 'Begged for' Scans That Could Have Caught It Sooner Tagliamonte went to a dermatologist, who told her the “discoloration at ...