One day your manicure looks so good, you wonder if you’ve missed your calling as a hand model. The next day, you start to notice that your nails have started to split and peel. What’s going on? “The ...

Dear Dr. Roach: I have a serious problem with my fingernails splitting and coming off at the edges. I have tried biotin and keratin for almost a year without results. I am an 89-year-old man who takes ...

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, ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Dr. Roach: I have a serious problem with my fingernails splitting and coming off at the edges. I have tried biotin and keratin ...