These are the healthiest diets, according to experts from across the medical, nutrition, and culinary fields.
Dahlia Marin, a certified gastrointestinal nutritionist and registered dietitian, is among the panel of experts to compile the rankings for U.S. News & World Report's Best Diets for 2025. She shares the lengthy process that determined the rankings and which diets proved to be the healthiest.
Marin also shares insight on why many of the top scoring diets are plant-predominant.
Diet's Mentioned
- Plant-Based Diet
- Mediterranean Diet
- Ornish Diet
- Flexitarian Diet
- Pritikin Diet
- Dr. Wiles Anti-Inflammatory Diet
- Low FODMAP Diet
- Gluten-Free Diet
— In this interview —
U.S. News & World Report Diet Rankings: The rigorous process of evaluating 38 different diets based on consumer feedback and expert analysis.
Consumer Insights: The panel considered responses from 3,500 consumers regarding their motivations for dieting, such as weight loss and health improvement.
Top Diets: The Mediterranean Diet is noted as the best overall diet, according to the U.S. News & World Report rankings. Other popular diets include the Ornish Diet and the Flexitarian Diet.
Specific Diets for Conditions: Discussion on diets like the low FODMAP diet for IBS and the gluten-free diet for celiac disease.
Personal Bias: Marin reflects on how she managed her personal biases while evaluating diets that may not align with her own plant-based philosophy.
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Episode Chapters:
0:00 Introduction
2:06 Background on Panel of Experts & Ranking Healthiest Diets -
6:13 Top Ranked Diet
11:29 Best Diets for IBS
16:48 Best Diets for Brain Health
19:25 Overall Ranking Process
21:50 Married To Health Update
26:50 Natural Products Expo Event
32:15 Conclusion
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The Physicians Committee is dedicated to saving lives through plant-based diets and ethical and effective scientific research. We combine the clout and expertise of more than 17,000 physicians with the dedicated actions of more than 175,000 members across the United States and around the world.