The technician at her local beauty salon noticed it, a thin line vertically across the nail as if she drew it with a black marker. Neither person recognized this as a potentially deadly symptom. For ...

Doctors advise vigilance regarding nail changes, as these may indicate health issues, including a rare skin cancer called ...

He later died of melanoma." Sore that looks like a diabetic ulcer Keeping an eye out for a brown or black vertical line under a toenail is key as it may look like an injury. Even if you have had ...