it’s not only nervous nibbling— stress alone can cause brittle nails, and major upsets ( like a separation or death in the family) can trigger horizontal grooves called beau’s lines, says Whitney bowe, md, a dermatologist in nyc.when you’re emotionally strained, the body shifts energy away from the nail cells to higher priorities like major organs.
a protein- rich diet (lean meats, fish, eggs, dairy, lentils) is crucial for strong nails, says Dr. bowe. You can also improve nails by eating omega-3 fatty acids and b vitamins, both found in salmon, avocado, and nuts. For an additional strength boost, ask your doc about genadur, a prescription nail lacquer. to OCTOBER 2016