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What Do You Eat to Reduce Your Risk for Diabetes?

A long-term study of health professionals suggests that eating fewer processed foods and more whole grains and vegetables can lower the risk for diabetes.
What Do You Eat to Reduce Your Risk for Diabetes?
Homemade Healthy Farro Tomato Salad with Herbs

Type 2 diabetes is among the most common chronic diseases in the US. A new analysis of dietary data from American health care professionals suggests you can lower your risk for diabetes. To do so, you must improve your dietary pattern.

Which Dietary Patterns Have a Lower Risk for Diabetes?

The scientists analyzed data from more than 200,000 participants in long-running observational studies (ASN 2020 Annual Meeting online). More than 150,000 women volunteered their data in the Nurses’ Health Study and Nurses’ Health Study 2. In addition, over 40,000 men participated in the Health Professionals Follow-up Study. All of these volunteers provided their dietary data every few years for decades.

Diabetes researchers have long suspected that high total carbohydrate intake could increase the risk for diabetes in adulthood. That is type 2 diabetes, controlled without insulin injections. These data show, however, that the picture is more nuanced. According to the research definitions, high-quality carbohydrates come from whole grains. On the other hand, low-quality carbohydrates are found in potatoes, sugary foods and beverages and refined grains.

If people ate high quality carbs instead of fats and animal protein, they had a lower risk for diabetes. People who consumed refined grains in the place of saturated fat were more likely to be diagnosed with type 2 diabetes. 

Learn More:

Even experts can’t tell how diet affects the risk for diabetes by simply adding up fats, proteins and carbohydrates. You have to look at the foods providing those macronutrients. In general, less-processed foods appear to be healthier.

You can learn more about diabetes from our interview with Yale professor Kasia Lipska, MD. It is Show 1173: How Is Diabetes Diagnosed and Treated? 

You may also be interested in a study undertaken by Richard Bernstein, MD. He recommends relying on non-starchy vegetables like asparagus, beet greens, bell peppers, broccoli, cabbage and spinach. He has found that even whole grains raise blood sugar unacceptably. Although Dr. Bernstein includes meat, fish, fowl and eggs in his recommendations, other research suggests plant-based protein is superior. A meta-analysis of nine studies found that people consuming mostly vegetables, fruits, legumes, nuts and whole grains had a 23 percent lower risk for diabetes (JAMA Internal Medicine, July 22, 2019). 

Mediterranean Diet Against Diabetes:

Italian researchers have found that people sticking close to a traditional Mediterranean diet have better blood sugar control (Nutrients, Aug. 10, 2018). They choose whole grains, beans, lentils, fruits, vegetables, nuts, fish and olive oil over processed foods and go light on meat, sweets and dairy products. As a consequence, they consumed more fiber and less energy (calories), calcium and sodium. Such individuals also ended up with more polyphenols in their food choices. If you would like more details on how to follow a Mediterranean-style diet, you may wish to consult our book, The People’s Pharmacy Quick & Handy Home Remedies.

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About the Author
Terry Graedon, PhD, is a medical anthropologist and co-host of The People’s Pharmacy radio show, co-author of The People’s Pharmacy syndicated newspaper columns and numerous books, and co-founder of The People’s Pharmacy website. Terry taught in the Duke University School of Nursing and was an adjunct assistant professor in the Department of Anthropology. She is a Fellow of the Society of Applied Anthropology. Terry is one of the country's leading authorities on the science behind folk remedies. .
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Citations
  • Braun KV et al, "(P22-009-20) Carbohydrate Quantity and Quality and Risk of Type 2 Diabetes: Results from Three Large Prospective US Cohorts." ASN 2020 Annual Meeting online.
  • Qian F et al, "Association between plant-based dietary patterns and risk of type 2 diabetes: A systematic review and meta-analysis." JAMA Internal Medicine, July 22, 2019. DOI: 10.1001/jamainternmed.2019.2195
  • Vitale M et al, "Impact of a Mediterranean dietary pattern and its components on cardiovascular risk factors, glucose control, and body weight in people with type 2 diabetes: A real-life study." Nutrients, Aug. 10, 2018
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