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October 8, 2025 14 mins

This week on Health Matters, Courtney talks with nutritionist Gabrielle Gambino and Dr. Jonathan Waitman about the role that sweeteners play in our diet, and how certain options like high-fructose corn syrup and cane sugar impact our health. 


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Dr. Jonathan Waitman is board certified in Internal Medicine and Clinical Nutrition. He is the course director for the nutrition curriculum and Weill Cornell Medical College. He is also the Medical Director for Specialized Nutrition Support New York Presbyterian Hospital, Weill-Cornell Medical Center. Following completion of his training in Internal Medicine he then went to Memorial Sloan Kettering Cancer Center where he completed a fellowship in clinical nutrition. He has co-authored numerous articles on the subject of obesity. 

Gabrielle Gambino, MS, RD, CDN, CNSC has undergraduate degrees in Clinical Nutrition and Public Relations from Penn State University. She later went on to complete her Master’s in Clinical Nutrition at New York University, and obtained her specialty certification as a Certified Nutrition Support Clinician (CNSC). Gabrielle specializes in nutrition care for patients with advanced heart failure and enjoys finding novel ways to optimize patients' nutritional status before advanced therapies.

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Health Matters is your weekly dose of health and wellness information, from the leading experts. Join host Courtney Allison to get news you can use in your own life. New episodes drop each Wednesday.

If you are looking for practical health tips and trustworthy information from world-class doctors and medical experts you will enjoy listening to Health Matters. Health Matters was created to share stories of science, care, and wellness that are happening every day at NewYork-Presbyterian, one of the nation’s most comprehensive, integrated academic healthcare systems. In keeping with NewYork-Presbyterian’s long legacy of medical breakthroughs and innovation, Health Matters features the latest news, insights, and health tips from our trusted experts; inspiring first-hand accounts from patients and caregivers; and updates on the latest research and innovations in patient care, all in collaboration with our renowned medical schools, Columbia and Weill Cornell Medicine.

To learn more visit: 

https://healthmatters.nyp.org

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