Your nails are made from the same protein that makes up your hair: keratin. Nails grow from a process called keratinization: cells multiplying in the base of each nail and then layering on top of each ...

An ingrown toenail occurs when the top corner or side of your toenail grows into the flesh next to it. It happens most commonly on your big toe. Common causes of ingrown toenails include: wearing ...

A badge of honour for ultra-runners, black toenails are caused by blood pooling beneath the nail. The most likely cause? Very long runs in ill-fitting shoes. "There should be 1cm between the end of ...

Toenail discoloration is a common issue. Possible causes of discolored toenails range from minor toe injuries and fungal infections to more severe health conditions, such as melanoma. Toenails are ...