Good Morning America interviewed Valter Longo about his work indicating a fasting-mimicking diet could improve health and extend lifespan. “By doing 5 days of 800 to 110 calories, we’re very far from starving the body, but we’re just starting to push the cells into this reset mode. If you go too long, you can slow metabolism and start having problems, and if you go too short, you never go into this reprogramming, this stem cell activation.” The story has also aired across ABC affiliates nationwide.