Risk of dementia may double in old age, research reveals reason


According to a study published Monday in Nature Medicine magazine, the risk of dementia doubles with age. Research indicates that approximately 14% of men and 23% of women experience dementia at some point in their lives. The number of people suffering from dementia continues to increase. Researchers estimate that this number will double by 2060. This is because people are living longer than previous generations. In old age, due to many diseases and infections, it affects the brain. And this is the reason why people become victims of dementia.

Effects of type 2 diabetes revealed before age 60

Research carried out at the University of Paris has shown that uncontrolled levels of glucose, sugar and insulin in the brain can contribute to the development of dementia. There is already a known link between diabetes and vascular dementia, a common form of the disease. In fact, this damages the vessels that irrigate the brain and prevents the circulation of oxygen. French scientists have found that the risk of dementia doubles at the age of 70 if a person was diagnosed with diabetes 10 years ago.

They emphasized that the exact mechanism of the marked association between type 2 diabetes and dementia is unclear. Additionally, research does not always show a consistent relationship between diabetes and Alzheimer’s disease. Scientists have suggested that one possible reason for this relationship is that less insulin is reaching the brain. This means they are less able to use glucose as an energy source, because diabetic patients do not produce enough of the hormone. The brain uses glucose to fuel its system’s normal functions and restore healthy cells, and a deficiency can damage the organ.

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Dementia risk doubles at age 70 – research

Researchers said that when there is high blood sugar, the brain absorbs too much glucose. Glucose in large amounts is known to be toxic and can also damage nerves and blood vessels. As a result, the feet of diabetic patients may become numb. Damage to the nerves or blood supply to the brain may increase, leading to a risk of dementia. The research results were published in the Journal of American Medical Association.

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