Secrets of the Blue Zones
For lunch, she made corn tortillas from scratch. First, she soaks the corn in ash and lime to break it down. Then, she smashes it in a metate—a Central American stone mortar. Then, she cooks the corn patties without oil. "It's a lot of hard work, and there's no electricity, so she can't do it any other way," Dr. Oz says. "And it's a good workout."
This daily process of cooking tortillas is like an automatic workout. "You know, most Americans don't really exercise. A very small proportion," Dan says. "But in Nicoya, they'll be making lunch and it's like doing 25 reps with the free weights."