Let's go super healthy with the naked chef. Jamie Oliver travels to some of the healthiest places on Earth to explore what the locals eat and how they live to keep them so healthy. From the beautiful Italian island of Sardinia, to the volcanic Jeju in South Korea, and the mountainous Graubunden regiLet's go super healthy with the naked chef. Jamie Oliver travels to some of the healthiest places on Earth to explore what the locals eat and how they live to keep them so healthy. From the beautiful Italian island of Sardinia, to the volcanic Jeju in South Korea, and the mountainous Graubunden region in Switzerland, Jamie got inspired and teach us how to eat and live healthier.