 That's Zander.com or call 800-356-4282. Put your best foot forward with Central Minnesota Foot and Ankle Associates. You've heard the expression, with age comes beauty. Well, in many cases, that's true. However, with age comes the chance for ugly toenail fungus. We've all seen it, the yellow toenails that appear to be rotting away. Well, it's common in adults and very common in adults over 50.