Mixed
Among individuals with type 2 diabetes, achieving a higher number of guideline-recommended risk factors within target range (specifically 5-7 factors) progressively reduces the excess risk of incident dementia, cognitive decline, and structural brain abnormalities, effectively mitigating the risk to levels comparable to non-diabetic controls.
If you have Type 2 Diabetes, managing your blood sugar is just one part of protecting your brain. To significantly lower your risk of dementia and cognitive decline, you need to address multiple health markers simultaneously. Aim to keep your blood pressure, BMI, cholesterol, and blood sugar within guideline-recommended ranges, avoid smoking, stay physically active, and eat a healthy diet. The more of these targets you hit, the closer your dementia risk gets to that of someone without diabetes.
Among individuals with type 2 diabetes, excess dementia risk, lower cognitive performance, and brain abnormalities decreased stepwise for a higher number of risk factors on target.
Why this rating
Large-scale prospective cohort studies (UK Biobank, Maastricht Study) with robust replication, though observational design limits causal inference compared to RCTs.
Source
Association of Type 2 Diabetes, According to the Number of Risk Factors Within Target Range, With Structural Brain Abnormalities, Cognitive Performance, and Risk of Dementia
April C. E. van Gennip et al. · Diabetes Care · 2021
DOI 10.2337/dc21-0149
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