EP350: Talking Heart and Aging With Dr Luong Part 1

Welcome to my podcast. I am Doctor Warrick Bishop, and I want to help you to live as well as possible for as long as possible. I’m a practising cardiologist, best-selling author, keynote speaker, and the creator of The Healthy Heart Network. I have over 20 years as a specialist cardiologist and a private practice of over 10,000 patients. Podcast Summary Introduction Dr. Warrick Bishop welcomes Dr. Rebecca Long, an accredited practicing dietitian specializing in sports nutrition and cardiometabolic health, and co-founder of Heartful Flavours. The episode explores Rebecca's career journey into dietetics and focuses on dietary strategies for managing cardiometabolic health, particularly through carbohydrate control and whole dietary pattern approaches. Key Takeaways: Rebecca's path to dietetics was driven by a lifelong love of food combined with firsthand observations of the importance of health management during her work as a medical receptionist while studying food science. Cardiometabolic health is a term coined in 1999 that encompasses interconnected risk factors including blood pressure, blood glucose levels, cholesterol, and central adiposity that collectively predict heart disease and diabetes risk. Modern nutrition research emphasizes analyzing complete dietary patterns rather than single nutrients, as the synergistic effects of combined foods and nutrients provide a more accurate understanding of health impacts. For pre-diabetic and high blood sugar patients, carbohydrate control (not elimination) is recommended, with typical targets of 30-45 grams per meal at breakfast, lunch, and dinner, with testing two hours after meals to monitor blood sugar response. Glycemic index distinctions matter: low glycemic index foods like basmati rice raise blood sugar more slowly with lower peaks, providing sustained energy, while high glycemic index foods cause rapid spikes and drops in blood sugar. Whole grains are universally recommended across healthy dietary patterns over refined grains, and processed foods high in sugar should be limited as part of overall cardiometabolic management. The discussion will continue in a follow-up episode focusing on protein and fat intake in the context of frailty and heart health, emphasizing that carbohydrate reduction is one component of a broader healthy dietary pattern approach.