“Eating the shrimp’s digestive tract doesn’t make you sick—as long as you cook it thoroughly,” says Dr. Love. That means ...

Black Lines on Nails From a Splinter Hemorrhage "The most common dark streaks that occur in nails develop as a result of ...

The black lines you see on school buses are called rub rails, and despite what many may think, they aren't there just for looks — they have an important safety function.

Black lines can develop on the nails when these melanocytes become active and produce pigment. This most commonly occurs in people with dark skin tones, affecting 77-100% of Black people, between ...

Black or dark lines can develop on your nails for many reasons. Causes include regular pigmentation changes, injury, certain medications, and underlying conditions like melanoma or hyperthyroidism.

If you've ever seen those squiggly black lines on paved roads, they are called tar snakes, but what do they do and are they always safe to drive over?

Michelle Tagliamonte, 58, noticed black lines on her thumb while getting a manicure in September 2024 The Ohio mom of two said when the line didn't grow out, she saw a dermatologist, who diagnosed ...