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Does Mediterranean Diet Reduce Dementia Risk?

What’s an Annuity?
Following a well-balanced diet that’s rich in fruits and vegetables and low in sugar can have many benefits to your health, including reducing a person’s risk of dementia. However, a popular and well-recommended meal plan known as the Mediterranean diet may not lower the odds of developing dementia as previous research had suggested.

Does Mediterranean Diet Reduce Dementia Risk? The Mediterranean diet is a plant-based diet that includes foods like fruits, vegetables, potatoes, whole grains, legumes, seeds, fish, healthy fats (such as olive oil) and a low intake of meats, dairy products, fried foods, sugar and saturated fats. The American Heart Association recommends the diet to promote health, control blood sugar and prevent chronic diseases. Seeing clients in our office with declining health, both physical and cognition-wise, Beck & Lenox supports any efforts to improve health for quality of life.

However, Seasons’ recent article entitled “Mediterranean diet may not reduce dementia risk after all, study claims” reports that a 20-year study published in the medical journal Neurology found that neither conventional dietary recommendations or a modified Mediterranean diet were significantly associated with a reduced risk of developing dementia or Alzheimer’s.

“While our study does not rule out a possible association between diet and dementia, we did not find a link in our study, which had a long follow-up period, included younger participants than some other studies and did not require people to remember what foods they had eaten regularly years before,” said Isabelle Glans, MD, in SciTechDaily.

The teams followed 28,000 people (average age of 58) from Sweden who didn’t have dementia at the start of the study for more than 20 years. The participants were asked to fill out a daily food diary and complete a food frequency questionnaire and an interview.

At the end of the study, 1,943 people (6.9%) were diagnosed with dementia, including Alzheimer’s disease and vascular dementia. Once the researchers adjusted for age, gender and education levels, they didn’t see a connection between a conventional diet or the Mediterranean diet and a reduced risk of dementia.

They said because their study took place over 20 years, the results may not have included changes in dietary habits, lifestyle changes, or newly co-occurring medical conditions over time.

Experts encourage people who currently follow the Mediterranean diet to stay with it, despite what this study found. That’s because there are other potential benefits to this diet, including lower risk of heart attack, stroke, obesity and diabetes, which should contribute to a longer, healthier lifespan. Don’t change your eating habits based only on the findings from this study because this diet promotes healthy foods that are widely studied for benefiting the brain, heart, bones, immune system and more.

Older adults who follow this diet, in combination with the MIND diet, can also lower their risk of cognitive decline, including a lower risk of Alzheimer’s disease—up to 53% in some cases.

A study published in 2021 found small to moderate improvements in several cognitive domains after participants followed the Mediterranean diet for three years compared to a control group that did not. In addition, a 2022 study from Harvard University found following a green Mediterranean diet low in red meat intake also protected the brain from “attenuated age-related brain atrophy.”

Reference: Seasons (Nov. 6, 2022) “Mediterranean diet may not reduce dementia risk after all, study claims”

 

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