Vaccinations protect against Alzheimer's disease

Flu and pneumonia vaccinations reduce Alzheimer's risk

Georgy Golovanov, Hi-tech+

At least one flu shot reduces the risk of Alzheimer's disease by 17%. More frequent vaccination at the age of 75 to 84 years reduces the likelihood of cognitive impairment by up to 40%, depending on the genes. In addition, patients with dementia are three times more likely to die from a respiratory infection with age than those who do not have this disease.

Past studies have shown that vaccination can protect against cognitive disorders, but there have been no large-scale studies of the connection between the flu vaccine and Alzheimer's disease until now. A team of scientists from University of Texas, according to a press release from Alzheimer's Association Flu, Pneumonia Vaccinations Tied to Lower Risk of Alzheimer's Dementia.

They found that one flu shot correlates with a lower chance of developing Alzheimer's disease, and frequent vaccination further reduces this probability.

So, people who constantly get annual flu shots at the age of 75-84 are 6% less likely to get dementia. At the same time, the earlier a person begins to get vaccinated, the stronger the protective reaction.

"Our study has shown that regular use of a very affordable and relatively cheap method – flu vaccination – can significantly reduce the risk of dementia in Alzheimer's disease," Amran said. – More research is needed to understand the biological mechanism of this effect – why and how it works in the body. Therefore, it is important to investigate effective preventive therapies for Alzheimer's."

Duke University experts came to similar conclusions in terms of a vaccine against pneumonia. They found that vaccination at the age of 65-75 years reduces the risk of developing Alzheimer's disease by 25-30%. The most serious decrease – by 40% – was observed in vaccinated people who do not have genetic predispositions to this disease.

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