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What is the link between blood sugar levels and Alzheimer's disease?

There may be a newly discovered bonus to good blood sugar control -- better recall.

Turns out that Alzheimer's disease and the #1 blood sugar disorder, diabetes, share something in common -- something that wreaks havoc on normal brain function -- lack of insulin.

A long-term Swedish study revealed that too little insulin ups Alzheimer's risk. Men with low insulin secretion at age 50 had a significantly greater risk of the mind-robbing disease -- as well as other types of dementia -- later in life. One caveat though is that the link was strongest in men without the gene that predisposes people to Alzheimer's.

Exactly how an impaired insulin response bumps up the Alzheimer's risk isn't clear. But it definitely underscores the importance of diabetes prevention efforts.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.