Should you wear a Continuous Glucose Monitor (CGM)?

Should healthy people use CGMs? What about people with diabetes or pre diabetes? A look at the pros and cons of CGMs in each case.
1st video with Dr. Guess: • Best Diet(s) for Type ...
A continuous glucose monitor is a small device you can wear on your arm or belly and it measures your glucose levels continuously so you can see the change in real time after a meal for example.
I discussed CGMs with with Dr. Nicola Guess, who received her PhD from Imperial College London for work in diabetes prevention and is currently Res Program Manager at Oxford Univ where she studies approaches for diabetes remission.
In people with T2d there’s a role for CGMs. They can give immediate feedback and motivation. Always coupled with healthy diet. Be wary of exclusive focus on glucose. Just because a food flattens glucose doesn´t mean its health-promoting. Shoot for a holistic approach
With pre-diabetes: CGMs can help distinguish WHEN glucose is high. fasting vs post-prandial
For people with high fasting glucose but good post-prandia valuesl, dr. Guess mentions vigorous physical activity and high fiber diets
For people with high post-prandial glucose (after meals), emphasizing protein and moderating carbs is one approach she utilizes routinely. Amino acids stimulate the pancreas to produce more insulin which helps control postprandial glucose
For those without prediabetes or diabetes, the concern with generalized CGM use is excessive focus on glucose and the misunderstanding that glucose excursions are pernicious
It’s completely normal for glucose level to rise after a meal as long as it comes back down again. What’s unnatural is for it to stay high for a long period of time, suggesting the body struggles to process glucose normally
So it´s less about whether the CGM is good or bad and more about how we use the information.
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References:
1-www.biomed.cas.cz/physiolres/...
2-journals.humankinetics.com/vi...
3-academic.oup.com/ajcn/article...
4-diabetesjournals.org/diabetes...
Disclaimer: The contents of this video are for informational purposes only and are not intended to be medical advice, diagnosis, or treatment, nor to replace medical care. The information presented herein is accurate and conforms to the available scientific evidence to the best of the author's knowledge as of the time of posting. Always seek the advice of your physician or other qualified health provider with any questions regarding any medical condition. Never disregard professional medical advice or delay seeking it because of information contained in Nutrition Made Simple!.
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0:00 What is a CGM?
0:48 CGMs for type 2 diabetics
3:25 CGMs for prediabetics
4:40 CGMs for healthy people
7:46 Glucose in endurance athletes
11:21 Summary