Do your nails often crack and split? Do they appear "dull" and brittle? You might even feel embarrassed about their appearance or worry that they are brittle due to an underlying health condition.

Nail psoriasis can cause pitting, discoloration ... Nail biting or picking is often a side effect of anxiety or stress. A split nail often looks like a vertical crack starting from the tip of the nail ...

Nails may also become thinner and change in texture, weakening enough to cause splitting and cracking. Nail growth slows with age, meaning broken or peeling nails may take longer to repair themselves.

What causes dry cuticles? Cuticles on nails are the thin ... which can help prevent splitting and cracking,” says Humphrey, “this means nourished cuticles, and longer-lasting manicures!” ...