What Really Happens to Your Body When You Yo-Yo Diet

Your skin is like an effervescent band. If you’re yo-yoing, say, 20 pounds with any weight cycle, eventually your skin goes slack, generally as we age, says Alan Matarasso, MD, clinical highbrow of medicine during a Hofstra/Northwell School of Medicine in Hempstead, New York.

“The enlargement and contraction of a skin is what plays havoc,” explains Dr. Matarasso, who also serves as president-elect of a American Society of Plastic Surgeons.

He says repairs can be widespread, display adult on a top arms, abdomen, breasts, and back. Unfortunately, no volume of practice will tie a skin once it has stretched out.

RELATED: I Had 7 Lbs. of Skin Removed After Major Weight Loss—Here’s What You Should Know