2024-03-17 08:29:36
If you maintain a Mediterranean diet and a ‘high blood pressure management diet’, brain aging slows down.
Entered 2024.03.17 17:28 Entered 2024.03.17 17:28 Views 0
Research has shown that a healthy diet slows down the speed of biological aging and helps prevent dementia. [사진=게티이미지뱅크]It is a widely known fact that eating healthy food improves brain health and lowers the risk of dementia, but the reason for this is not known.
In relation to this, a new study found that “a healthy diet can help slow biological aging and protect the brain.” This is what the health and medicine webzine ‘Health Day’ reported on the 15th (local time) based on a paper by researchers at Columbia University published in the Annals of Neurology last month.
“Our findings suggest that a slower rate of aging mediates part of the relationship between a reduced risk of dementia and a healthy diet,” said Earline Thomas, a postdoctoral fellow at Columbia University’s Alzheimer’s Disease and Brain Aging Institute and lead author of the paper. He said. “Previous studies of nutritional dementia have focused on how specific nutrients affect the brain, but we have shown that a healthy diet slows the body’s overall biological aging process and reduces dementia.” “We wanted to test the hypothesis that it prevents,” he explained.
The researchers examined decades of data from the Framingham Heart Study, which has been ongoing since 1971. They collected data on eating habits and neurocognitive test results from more than 1,600 people who participated in a two-generation study every four to seven years. A total of 160 of the participants suffered from dementia.
The researchers tracked the participants’ cellular aging using an ‘epigenetic clock’ called DunedinPACE. Dunedin Pace is a technique that measures the speed of aging by linking the rate of change in 19 biomarkers obtained by tracking 1,000 people born in Dunedin, New Zealand for 20 years with the degree of DNA methylation. Professor Belsky developed it with his colleagues while he was a student at Duke University.
As a result of the study, people who maintained a diet close to the ‘MIND‧Mediterranean-DASH Intervention for Neurodegenerative Delay’ diet, which combines the high blood pressure management diet (DASH diet) and the Mediterranean diet, had the fastest aging rate. It was found to be slow and less likely to cause dementia and premature death. Overall, the researchers calculated that regarding 27% of the association between a healthy diet and a lower risk of dementia is estimated to be due to delayed aging.
The MIND diet promotes eating plenty of whole grains, vegetables, nuts, beans, leafy greens, fish, and lean meat. Avoid red meat, foods with sugar, and foods high in saturated and trans fats.
Despite these findings, Thomas said there is still much to learn regarding the connection between healthy living and brain health. “Some parts of the diet-dementia association remain unexplained, so continued investigation of brain-specific mechanisms in well-designed intervention studies is needed,” he said.
The paper can be found at the following link (
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