The Intense Preparation Olympian Kerri Walsh Jennings Is Undertaking Before Rio

"It took me a long time to accept the fact that I don’t feel great when I eat a lot of certain things. To me that’s processed food, starches," Walsh said. "If I’m going to have carbohydrates, I will have the right kind and just be mindful of that stuff. It’s up to you to make the right choices, so I’m just really mindful of what [food] I have around."