Prevention of senile dementia
Hearing and vision correction reduces the risk of dementia by 50-75%
Daria Berdnikova, Hi-tech+
Scientists at the University of Manchester conducted a large-scale study. For almost 20 years, they have been monitoring the condition of people who regularly underwent cognitive tests. And we have identified a simple way to reduce the risk of one of the serious age-related diseases.
Dementia is called a threat to the development of modern society. With progress in the fight against cardiovascular diseases and cancer, people are living longer, and neurodegenerative diseases are coming to the fore. British scientists conducted a study and made sure that in order to prevent dementia, elderly people need to pay special attention to hearing and vision problems.
Dr. Pierce Doves and his colleagues observed 2040 participants from 1996 to 2014 and tracked the development of their condition depending on hearing correction measures, according to a press release from the University of Manchester Hearing and visual aids linked to slower age-related memory loss. In addition, they observed the condition of a group of 2,068 patients who underwent cataract surgery.
Scientists have concluded that the use of hearing aids slows down the development of dementia by 75%, and vision correction – by 50%.
Article by Maharani et al. Cataract surgery and age-related cognitive decline: a 13-year follow-up of the English Longitudinal Study of Aging published in the journal Plos One, Longitudinal Relationship Between Hearing Aid Use and Cognitive Function in Older Americans with the same first author – in the Journal of the American Geriatrics Society – VM.
"It is not completely clear why hearing and vision have such an impact on cognitive decline, but it seems to me that isolation, prejudice and lack of physical activity are associated with this," notes the CFE. "There are obstacles that need to be overcome: people may refuse to wear an auditory preparation because of social prejudices or if the device does not work well enough or it is inconvenient to wear," the scientist added.
According to the forecast, 40% of people in Britain will suffer from hearing problems by 2035. At the same time, not enough money is allocated for the study of these problems: only $1.47 per person with hearing impairment versus $15 per person with visual impairment.
There are many factors that increase the risk of developing age-related dementia. Among them are smoking, depression, high blood pressure, overweight and sleep disorders.
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