The thinning of the light -sensitive tissue behind the eye (retina) may indicate that the risk of dementia in people over the age of 40 may increase. This conclusion was reached by scientists from the University of Oto (New Zealand). Research Results published Nature magazine.
The scientific study was based on a very disciplined study of the health and development of the residents of Danidin, which lasted 45 years. 900 New Zealanda joined. The average age of the volunteers was 45.
In the first stage, scientists took photos of the retina of all volunteers. The data was then compared with the results of cognitive tests designed to estimate the risk of dementia. The observations were held at the age of three, five, seven, nine, 11, 13, 15, 18, 21, 26, 32, 38 and 45 at the time of the birth of the participants.
In people with an abnormal retina and pathologies of the blood vessels of the eyes, a 45 -year -old symptom of a decrease in cognitive functions was more frequent. According to experts, such changes may violate blood circulation in the body as a whole, which also increases the risk of heart attack and stroke.
According to scientists, visualization of eyes can become a simple and cheap method to assess the early risk of the dementia. However, researchers stressed that such a test could only show a potential threat, but did not determine the final diagnosis.
Previously named A factor that reduces the risk of dementia by 15%.
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Source: Gazeta
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