Dr Karan Explores The Truth About Glucose Spikes, Ultra Processed Food and Microbiome Tests - Dr Nicola Guess
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Aug 16, 2024 In this discussion, Dr. Nicola Guess, a nutrition scientist at the University of Oxford specializing in type 2 diabetes prevention, dismantles common health myths. She reveals why continuous glucose monitors are mostly unnecessary for non-diabetics and critiques the misleading nature of microbiome tests claiming personalized advice. Nicola emphasizes the importance of a balanced approach to ultra-processed foods and the real health markers to monitor, offering actionable insights while cutting through the noise of trendy diet hacks.
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Glucocentrism Produces Perverse Advice
- A glucose-centric approach can produce perverse dietary advice and unnecessary calorie increases.
- Focusing on glucose spikes can distract from weight management, the primary prevention for type 2 diabetes.
CGMs Aren't Valid Screening Tools
- CGMs are poor screening tools because we lack validated norms and devices vary in accuracy.
- Doctors use standardized tests (A1C, fasting glucose, OGTT) that provide comparable, contextualized results.
Host's CGM Test: Apple Versus Chicken
- Dr Karan tested a CGM and found an apple spiked glucose more than a fatty chicken wing.
- He notes CGM data can wrongly label healthy foods as 'worse' and drive unhealthy dietary changes.