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French Fries Linked to Higher Risk of Diabetes

Published on June 21, 2026, 12:08 p.m.
French Fries Linked to Higher Risk of Diabetes

Topic: Health

A large study found that eating three servings of French fries per week is associated with a 20% higher risk of developing type 2 diabetes. In contrast, consuming potatoes in other ways was not linked to a significant increase in diabetes risk.

Eating French fries regularly may increase your risk of developing type 2 diabetes. A recent study found that people who ate three servings of French fries per week were more likely to develop type 2 diabetes than those who didn't eat them as often.

The researchers looked at the eating habits of over 205,000 health professionals and found that every three weekly servings of potatoes overall were associated with a 5% increase in the rate of type 2 diabetes. However, when they broke it down further, they saw that French fries were linked to a 20% increase in the rate of type 2 diabetes.

The study also looked at what happens when potatoes are replaced with other foods. They found that replacing potatoes with whole grains was associated with an 8% lower rate of type 2 diabetes. On the other hand, replacing potatoes with white rice was linked to a higher rate of type 2 diabetes.

The researchers acknowledge that their study has some limitations and can't prove that French fries directly cause diabetes. However, they say that their findings suggest that the association between potato intake and type 2 diabetes risk depends on the specific foods used as replacement.

Why It Matters

This study matters because it highlights the importance of making healthy food choices. As Indian students, you may be wondering how this affects your daily lives. The study shows that even small changes to your diet, such as replacing French fries with whole grains, can make a big difference in reducing your risk of developing type 2 diabetes.

Key Facts

  • Eating three servings of French fries per week is associated with a 20% higher risk of developing type 2 diabetes.
  • Consuming potatoes in other ways (boiled, baked, or mashed) was not linked to a significant increase in diabetes risk.
  • Replacing potatoes with whole grains was associated with an 8% lower rate of type 2 diabetes.
  • The study looked at the eating habits of over 205,000 health professionals and followed them for nearly 40 years.
  • The researchers found that every three weekly servings of potatoes overall were associated with a 5% increase in the rate of type 2 diabetes.

Key Terms

Type 2 Diabetes
A condition where your body doesn't produce or effectively use insulin, leading to high blood sugar levels

Implications

This study matters because it highlights the importance of making healthy food choices. As Indian students, you may be wondering how this affects your daily lives. The study shows that even small changes to your diet, such as replacing French fries with whole grains, can make a big difference in reducing your risk of developing type 2 diabetes.


Source: https://www.sciencedaily.com/releases/2026/06/260603015218.htm

Journal Reference:

  1. Seyed Mohammad Mousavi, Xiao Gu, Fumiaki Imamura, Hala B AlEssa, Orrin Devinsky, Qi Sun, Frank B Hu, JoAnn E Manson, Eric B Rimm, Nita G Forouhi, Walter C Willett. Total and specific potato intake and risk of type 2 diabetes: results from three US cohort studies and a substitution meta-analysis of prospective cohorts. BMJ, 2025;390:e082121 DOI: 10.1136/bmj-2025-082121
  2. Daniel B Ibsen, Yanbo Zhang. Potatoes and risk of type 2 diabetes. BMJ, 2025; 390: r1557 DOI: 10.1136/bmj.r1557

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