"Hearst Magazines and AOL may earn commission or revenue on some items through these links." Have you ever looked down at your nails and noticed a yellow cast? It happened to me recently after taking ...

As simple an issue as yellow nails may seem, it can be tough for even experts to pinpoint the cause. "Every time somebody comes in with a nail change, I put on my super-sleuth hat," Dr. Kristen Lo ...

Yellow nails are hard to ignore. They show up uninvited and somehow always seem worse right before a special occasion or a trip to the beach. The frustrating part is that the cause is not always ...