Cracked nails seem like a small inconvenience — a split here, a snag there — but they often reflect deeper signals from your body. Nails are made of keratin, the same protein found in skin and hair, ...

Keeping your nails moisturized is key to preventing splits. Apply a good quality hand cream or nail oil regularly, ...

Medically reviewed by Casey Gallagher, MD Key Takeaways Dry skin is the most common cause of cracked fingertips. Eczema, psoriasis, and fungal infections can cause dry, cracked skin on the fingers. If ...

Your fingernails might seem like simple protective coverings for your fingertips, but they’re actually sophisticated diagnostic tools that can reveal crucial information about your protein intake.