Diabetes control linked to dementia risk

Higher readings tied to a greater chance of developing the neurological condition

People with type 1 diabetes who are able to maintain good blood sugar control may reduce their long-term risk of developing dementia, a US study suggests.

Among more than 3400 patients with type 1 diabetes, those with average blood glucose readings near the normal range more than half of the time are 45% less likely to develop dementia than those whose readings are routinely higher, the study team reports in Diabetes Care.

"People with type 1 diabetes are living longer than ever before. This increase in life expectancy is accompanied by an increased risk of developing ageing-related diseases such as dementia," said lead study author Dr Mary Lacy (PhD), a postdoctoral fellow at the University of California.

The Diabetes Control and Complications Trial found that intensive diabetes therapy aimed at achieving glycaemic control decreased the risk for developing complications such as

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