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 ...

A check mark. It indicates that the relevant content ... You may have white spots on your nails if you have a fungal infection or a mineral deficiency. Getting manicures also cause white spots ...

Ohio woman noticed black lines on her thumb ... I took some photos of the lines and then decided to get my nails done." Expecting the marks to disappear by her next appointment in October, she was ...