Black lines on the nail can have various TikTok動画保存 (ロゴなし MP4) - TokVibe - Download TikTok Video No Watermark & MP3

ウォーターマーク（ロゴ）なしで Black lines on the nail can have various causes like, trauma のTikTok動画をフルHD MP4保存できます。

Black lines on the nail can have various causes like, trauma, nutritional deficiency like a lack of Vitamin B12, infections, or even be normal in dark-skinned people. It's also known as melanonychia, which is the deposition of pigment or melanin on the nail. But here's how you can assess the situation using the ABCDEF rules." A for Age: Melanoma risk is higher if you're between 50 to 70 years old. B stands for Brown-black pigmented band, at least 3mm wide, with blurred borders. C: Look for any changes or a lack of change despite trying treatments. D: The digit most commonly involved is the thumb, big toe, or index finger." E: Check for the extension of the pigment into the skin surrounding the nail, known as the Hutchinson sign." F: If you have a family or personal history of melanoma, that's a concern. So, if you ever doubt what you see on your nails, don't hesitate to consult your dermatologist. Early detection can be a lifesaver #nailmelanoma #nailcancer #melanoma #skincancer #nailchange #abcdemelanoma #tiktokmalaysia #pakarkulit #derm @Ken Chen Loh

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