Curled toenails are toenails that curve inward against the natural shape of your nail. They can cause symptoms such as pain, discomfort, and discoloration, among others. Everything from improper ...

Curved finger nails can occasionally be a sign of iron deficiency anaemia, so it would be worth having your iron levels checked - especially if you have heavy periods, and are not a great meat eater.

My fingernails have been long and very strong all my life, and all of a sudden they are starting to curl downwards at the tip and leaving the edges to curl up. My mothers nails have always been ...