Most people trying to eat healthier feel overwhelmed. Low-carb or low-fat? Animal protein or plant-based? Supplements or whole foods? The advice changes every year — and so does the confusion.
Dr. Terry Shintani has spent decades cutting through that noise. And the answer he keeps coming back to is surprisingly simple: eat the foods that traditional, healthy cultures have eaten for thousands of years.
That’s the foundation of the Peace Diet.
What Is the Peace Diet?
The Peace Diet is a whole-food, plant-based eating plan developed by Dr. Shintani — a Harvard-trained physician with degrees in medicine, law, and public health, and a Living Treasure of Hawai’i.
It draws on the dietary wisdom of long-lived, low-disease populations around the world — from traditional Hawaiian and Japanese cultures to communities in the Mediterranean and rural Asia. What they all have in common: diets centered on whole grains, vegetables, legumes, and fruit, with little to no processed food or animal products.
The name “Peace Diet” reflects something Dr. Shintani observed over years of clinical practice: when people eat this way, they don’t just lose weight or lower their blood pressure. They feel at peace — with their food, their body, and their health.
What the Research Shows
This isn’t theory. Dr. Shintani’s work with the Waianae Coast Comprehensive Health Center produced some of the most dramatic short-term dietary results ever documented in peer-reviewed literature.
Participants eating traditional Hawaiian foods — poi, fish, sweet potato, taro, greens — saw:
- Significant weight loss in just 21 days
- Measurable drops in blood pressure and cholesterol
- Reduced need for diabetes and blood pressure medications
These weren’t people in a controlled lab. They were real patients, eating real food, in a real community. And the results were published in the American Journal of Clinical Nutrition.
Why Plant-Based Eating Works
Whole plant foods are naturally high in fiber, antioxidants, and complex carbohydrates — and naturally low in the saturated fat and excess calories that drive chronic disease. When you eat this way, you don’t need to count calories obsessively or weigh every gram. The foods themselves regulate appetite and support your body’s natural healing systems.
Dr. Shintani often puts it this way: “The best diet is the one your great-great-grandmother would recognize.”
Is It for Everyone?
Dr. Shintani has worked with patients across a wide range of backgrounds and conditions — diabetes, heart disease, obesity, autoimmune issues, cancer recovery. The Peace Diet isn’t a one-size-fits-all prescription, but the core principle holds across the board: more whole plants, less processed food, less animal fat.
Whether you’re trying to lose weight, reduce medication dependence, prevent disease, or simply feel better — this is a place to start.
Learn More
The Peace Diet book is available on Amazon. To work directly with Dr. Shintani at his Honolulu clinic, visit drshintani.com or call (808) 628-8784.
📍 600 Queen St., Suite C-2, Honolulu, HI 96813