DEAR DOCTOR K: As I've gotten older, my fingernails have become very brittle. They chip, break and split easily. I've also noticed ridges. What can I do?
DEAR READER: Many of my patients notice that their fingernails become thinner, more brittle and fragile with age. Nails may split lengthwise, or separate in thin layers at the tips. The nails may look different as well. They may become yellowed or dull, and many develop thin, vertical ridges.