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Diabetes complications tied to higher risk of dementia

People who have diabetes and experience high rates of complications are more likely to develop dementia as they age than those who have fewer diabetic complications, according to a new study.

Beijing: People who have diabetes and experience high rates of complications are more likely to develop dementia as they age than those who have fewer diabetic complications, according to a new study.

An individual develops diabetes when the pancreas does not produce enough of the hormone insulin or the body can't use insulin properly to process sugar.

When blood sugar levels remain high due to uncontrolled diabetes, serious complications can develop, including blindness, kidney failure and decreased blood flow in limbs that can lead to amputation.

"Our research is the first nationwide study to examine how the severity and progression of diabetes is related to dementia diagnosis rates in an older population," said one of the study's authors, Wei-Che Chiu, of the National Taiwan University College of Public Health, Cathay General Hospital and Fu Jen Catholic University, all in Taipei, Taiwan.

"We found that as diabetes progresses and an individual experiences more complications from the disease, the risk of dementia rises as well," Chiu said.

The 12-year-long population-based cohort study used the Taiwan National Health Insurance Research Database's records dating back to 1999 to identify 431,178 people who were older than 50 and newly diagnosed with diabetes.

The researchers reviewed records to determine how many people in the cohort were admitted to a hospital or had at least three outpatient medical visits for dementia after they were diagnosed with diabetes.

To evaluate the progression of each individual's diabetes, the researchers used an adapted version of the Diabetes Complications Severity Index, a tool used to predict deaths and hospitalisations among people with diabetes.

Among the people in the cohort, 26,856 people, or 6.2 per cent, were diagnosed with dementia.

The risk of developing dementia was higher among people who had a high score on the Diabetes Complications Severity Index than for those who had a low score.

"The study demonstrates why it is so crucial for people with diabetes to work closely with health care providers on controlling their blood sugar. Managing the disease can help prevent the onset of dementia later in life," Chiu said.

The study was published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism.

From Zee News

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