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# High Blood Sugar Levels Linked to Dementia
- URL: https://www.foodconsumer.org/high_blood_sugar_linked_to_dementia_0811131138/
- Published: 2013-08-12T00:37:00.000Z
- Updated: 2026-09-15T13:58:24.000Z
- Description: Following 2,067 people aged 65 and older for an average of 6.8 years, researchers found higher blood glucose linked to greater dementia risk: an average of 115 mg/dl carried a 15% higher risk than 100 mg/dl. The increased risk showed up even in people without diabetes.
- Author: Food Consumer
- Tags: Disease, Health News, #vivvo-import

High blood glucose levels may increase the risk of developing dementia, according to a new study in the *New England Journal of Medicine*. Researchers from the Adult Changes in Thought study followed 2,067 men and women aged 65 or older who were members of Group Health Cooperative in Washington state. Over a 6.8-year observation period, high blood sugar levels were associated with an increased likelihood of developing dementia. Compared with an average blood glucose value of 100 mg/dl, an average blood glucose of 115 mg/dl was associated with a 15 percent increased risk of developing dementia.

Prior studies show that diabetes is associated with increased risk of Alzheimer's disease. The new study shows an increased risk of dementia even in people without diabetes.

Crane PK, Walker R, Hubbard RA, et al. Glucose levels and risk of dementia. *N Engl J Med*. 2013;369:540-548.