If diabetes causes Alzheimer’s disease, do all diabetics get Alzheimer’s disease?



No. There is no scientific evidence that supports diabetes affects all the cases of Alzheimer’s disease. Diabetes is known to increase the risk of dementia but cannot be considered the sole cause of all the Alzheimer’s cases.

In Diabetes, the cells are unable to process sugar with the help of insulin. This abnormal condition increases the blood sugar levels that produce fatty deposits in the blood vessels. The fatty deposits block the normal flow of blood and upsets chemical balance in the brain. Such a condition may induce symptoms of mild cognitive impairment or Alzheimer’s disease.

In case of diabetes that is independent of insulin, the high blood sugar levels may increase the production of toxin amyloid protein and tau tangles. Now, over production of toxin amyloid protein and tau tangles in the brain causes Alzheimer’s disease, and so, diabetes is considered an important cause.

Moreover, the presence of a blood protein called haemoglobin A1C (HbA1C) in diabetic people can induce dementia. People with the condition have smaller hippocampal size than normal people. This reduction in size occurs because of HbA1C that prevents the normal hippocampal functions inducing memory loss.

Diabetes puts a lot of pressure on the blood vessels as it obstructs the normal flow of blood and blocks nerve communication. In case of high blood sugar levels, the over production of toxin amyloid protein and tau tangles can worsen the condition to induce Alzheimer’s disease.

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Disclaimer
Medical Science is an ever evolving field. We strive to keep this page updated. In case you notice any discrepancy in the content, please inform us at [email protected]. You can further read our Correction Policy here. Never disregard professional medical advice or delay seeking medical treatment because of something you have read on or accessed through this website or it's social media channels. Read our Full Disclaimer Here for further information.

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