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The Mediterranean diet has become one of the most popular and well-researched diets with a wide range of health benefits. New research now suggests that positive changes to the gut microbiome may contribute to improved outcomes related to cardiovascular disease, metabolic disorders, and aging. In this episode of Dietitian to Dietitian, NBC’s Today Show nutrition and health expert Joy Bauer, Professor Hannah Holscher, PhD, RD and culinary nutrition expert and chef Abbie Gellman, MS, RD, CDN, discuss how the Mediterranean diet can impact the gut microbiome – as well as how to teach your clients and patients to eat this way. You don’t want to miss this fascinating discussion – based around research and recipes – pertaining to the Mediterranean eating style.


Dr. Hannah Holscher is an Associate Professor of Nutrition in the Department of Food Science and Human Nutrition and a member of the Division of Nutritional Sciences, the Institute of Genomic Biology, and the National Center for Supercomputing Applications at the University of Illinois. She completed postdoctoral training focused on the human microbiome, a Ph.D. in Nutritional Sciences, and a B.S. in Food Science and Human Nutrition at the University of Illinois. She is also a Registered Dietitian. Dr. Holscher’s laboratory uses clinical interventions and computational approaches to study the interactions of nutrition, the gastrointestinal microbiome, and health.



Chef Abbie Gellman, MS RD CDN is a spokesperson, recipe and product developer, educator, nationally recognized culinary nutrition expert, and Director of Teaching Kitchen and Culinary Medicine at St. Barnabas Hospital in New York City. She creates, produces, and hosts cooking and nutrition videos and works with a wide variety of food companies/brands, commodity boards, foodservice operators, health professionals, and private clients. She has three published cookbooks, all based on the Mediterranean Diet, and appears in local and regional broadcast media and contributes to many publications as both an expert and an author.Learn more about her at or throughout social media at @chefabbiegellman on Instagram, YouTube, Facebook and more.


Joy Bauer, MS, RDN, CDN, one of America’s leading health authorities, is the nutrition and healthy lifestyle expert for NBC’s TODAY show. She also hosts her own Amazon Live weekly show, Health, Happiness, Joy, where she cooks up mouthwatering recipes, answers viewers’ questions in real-time, and shares her favorite products and kitchen hacks. In addition, Joy is the official nutritionist for the New York City Ballet, the creator of, and a #1 New York Times bestselling author with 14 bestsellers to her credit.



Additional resources

Click here to download a summary of the episode

This podcast is not, and is not intended to be, medical advice, which should be tailored to your individual circumstances. This podcast is for your information only, and we advise that you exercise your own judgment before deciding to use the information provided. Professional medical advice should be obtained before taking action.  Please see here for terms and conditions.


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