An Italian scientist started eating like an American and saw his blood sugar and cholesterol skyrocket. A simple diet helped him reverse the damage. (Business Insider)

Business Insider interviewed Valter Longo on how adopting a “longevity diet” and fasting helped him improve his health after moving to the U.S. and eating a typical American diet. “I think that’s what happens to most people, right?” he said. “Because they’re not experts, and you’re surrounded by this world that is full of food and it’s just very difficult not to fall into it.”