They don't make for the prettiest of manicures, but are they something more than a cosmetic problem? Here's what a ...

This $9 cream helps heal cracked, brittle nails and promotes nail growth. Shop it from Amazon and see why over 20,000 ...

Alopecia areata (hair loss) may also cause vertical ridges and onychorrhexis (splitting). 6. Severely Bitten Nails Onychophagi (nail biting) is a common habit. It's usually brought on by stress or ...

Onychorrhexis is a condition that affects your nails, causing them to develop ridges and splitting. These ridges often look like thin grooves running vertically along the length of your nail.

and studies show that biotin supplements can help to improve nail thickness and reduce splitting. You can also incorporate biotin-rich foods like eggs and nuts into your diet to get more of this ...