A black line on your nail (medically known as melanonychia) causes a streak of dark pigmentation that runs along the nail bed. It can be a normal color variation, especially in people with darker skin ...

A woman who shared a photo of faint black lines on her thumb and toe nails on Reddit was urged to see a doctor after ...

Experts review warning nail features, from inflammatory conditions to tumours, offering practical guidance on diagnosis and ...

A woman had a line on her nail that looked like a splinter, which was an aggressive skin cancer. Charmaine Sherlock didn't think that such a small mark could be as dangerous as melanoma. Sherlock told ...

Drug-induced nail disorders are uncommon adverse reactions that can occur as a result of drugs, with nail abnormalities being due to acute damage to the nail unit leading to symptoms associated with ...