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Follow on Google News | Diabetes in Middle Age May Lead to Brain Cell Loss Later in Life“Potentially, if we can prevent or control diabetes and high blood pressure in middle age, we can prevent or delay the brain damage that occurs decades later and leads to memory and thinking problems and dementia,” said study author Rosebud O. Roberts, MB, ChB, MS, of the Mayo Clinic in Rochester, Minn., and a member of the American Academy of Neurology. For the study, the thinking and memory skills of 1,437 people with an average age of 80 were evaluated. The participants had either no thinking or memory problems or mild memory and thinking problems called mild cognitive impairment. They then had brain scans to look for markers of brain damage that can be a precursor to dementia. Participants’ For diabetes, 72 people developed it in middle age, 142 in old age and 1,192 did not have diabetes. For high blood pressure, 449 people developed it in middle age, 448 in old age and 369 did not have it. Compared to people who did not have diabetes, people who developed diabetes in middle age had total brain volume an average of 2.9 percent smaller. In the hippocampus area of the brain, the volume was 4 percent smaller. They were also twice as likely to have thinking and memory problems. Compared to people who did not have high blood pressure, people who developed high blood pressure in middle age were twice as likely to have areas of brain damage. “People who developed diabetes even in old age were also more likely to have areas of brain damage. Conversely, there were not many effects from high blood pressure that developed in old age,” Roberts said. “Overall, our findings suggest that the effects of these diseases on the brain take decades to develop and show up as brain damage and lead to symptoms that affect their memory and other thinking skills. In particular, diabetes has adverse effects regardless of the age at which diabetes develops.” The study was supported by the National Institute on Aging, Robert H. and Clarice Smith and Abigail Van Buren Alzheimer’s Disease Research Program, Rochester Epidemiology Project, National Institutes of Health, Robert Wood Johnson Foundation and European Union Regional Development Fund. To learn more about brain health, please visit www.aan.com/ The American Academy of Neurology, an association of more than 27,000 neurologists and neuroscience professionals, is dedicated to promoting the highest quality patient-centered neurologic care. A neurologist is a doctor with specialized training in diagnosing, treating and managing disorders of the brain and nervous system such as Alzheimer’s disease, stroke, migraine, multiple sclerosis, concussion, Parkinson’s disease and epilepsy. For more information about the American Academy of Neurology, visit http://www.aan.com (http://www.aan.com/ End
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