Purchase the autographed edition of "Kat and Brandy" at PremiereCollectibles.com/KatandBrandy. | Katherine Schwarzenegger

Katherine Sara on Instagram: "most people have no idea that what they wear can affect their hormones, their skin, and even how they smell. many fabrics today are coated with PFAS, known as “forever chemicals.” they make clothes “stain-resistant,” “wrinkle-free,” or “waterproof” but they don’t wash out. research shows these chemicals can migrate from treated textiles, especially with sweat or heat, and absorb through the skin. short-chain PFAS have been detected at levels that raise concern for e