The Zone diet bans certain healthy foods that may make it unsustainable long-term. The Zone Diet is a meal plan where each meal is broken up so that it contains 40% carbohydrates, 30% protein ...

Fermented foods are found in most blue zone diets. For instance, sourdough wheat bread is a staple in Sardinia and miso soup is common in the Okinawan diet. However, the role of fermented foods in ...