It seems the sugar high is not a myth. Research from the University of Newcastle shows variations in blood sugar levels can affect brain function in people with diabetes.
Researchers looked at how well blood vessels delivered nutrients and oxygen to the working brain.
“We saw a blunting of responsiveness in type-2 diabetes,” said research Dr Rachel Wong.
Type-2 diabetics tend to have better control of their blood sugar levels, so the findings are somewhat unexpected.
Results of the study suggest spikes and dips in blood sugar can eventually damage small blood vessels in the brain, reducing blood flow and undermining the performance of complex mental tasks.
Researcher Peter Howe says it’s unclear how long it takes for diabetes to begin affecting brain function.
“Yet loss of mental capacity well before old age can adversely affect self-management of diabetes,” he says.
“If we could detect these deficits early in the disease progression, patients and their health providers could aim to counteract the damage before it becomes irreversible.”
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