Supermodel Anok Yai is opening up about a recent health scare, revealing that she underwent surgery to correct a congenital defect that she said was "destroying" her lungs. Source: Gregg DeGuire / Getty The stunning beauty, 28, took to Instagram over the weekend to share the harrowing experience with her supporters alongside footage of her post-surgery hospital stay. "For the past year I've been dealing with this silent battle. I incidentally found out I had a congenital defect overworking my heart and slowly destroying my lungs," she revealed.