Eating DASH diet in midlife may help women protect memory function

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Eating a diet designed to lower blood pressure when you’re in your middle age can significantly reduce the chances of memory loss and cognitive problems later in life.

A recent study found that women who followed the Dietary Approaches to Stop Hypertension (DASH) diet had a 17% lower likelihood of reporting cognitive issues decades later.

Alzheimer’s disease, the most common form of dementia, affects more women than men, and these findings could have important implications for the millions of Americans diagnosed with Alzheimer’s disease.

The DASH diet emphasizes eating plenty of plant-based foods rich in potassium, calcium, and magnesium while limiting saturated fats, cholesterol, sodium, and sugar.

High blood pressure, especially in midlife, is a known risk factor for cognitive decline and dementia.

The study, published in the journal Alzheimer’s & Dementia, highlights the potential benefits of adopting a DASH diet during middle age to preserve cognitive function in later life.

The Significance of Cognitive Health

Cognitive health refers to the well-being of your mental faculties, including memory, thinking, and problem-solving abilities. Memory loss and cognitive decline are often early signs of serious conditions like Alzheimer’s disease.

In the United States, there were around 6.5 million people over the age of 65 diagnosed with Alzheimer’s disease in 2022.

This number is projected to more than double by 2060. Therefore, finding ways to maintain cognitive health as we age is of great importance.

The DASH Diet and Cognitive Health

The DASH diet promotes a balanced and heart-healthy eating pattern. It encourages the consumption of foods that are good for the heart and the brain.

These foods are rich in essential nutrients like potassium, calcium, and magnesium. At the same time, the diet discourages the intake of harmful substances such as saturated fats, cholesterol, sodium, and sugar.

By adhering to the DASH diet, individuals can not only manage their blood pressure but also potentially reduce the risk of cognitive problems in the future.

The Study and its Findings

This study analyzed data from more than 5,000 women who participated in the NYU Women’s Health Study.

This long-running study examines the impact of lifestyle and other factors on the development of common health conditions, including cancer and chronic diseases.

Participants were asked about their dietary habits between 1985 and 1991, when they were approximately 49 years old. They were then followed for more than 30 years, with an average age of 79 at the end of the study period.

The researchers assessed cognitive health by asking participants to report any difficulties they experienced in six specific areas related to memory and cognitive function.

These areas included remembering recent events or shopping lists, understanding spoken instructions, participating in group conversations, and navigating familiar streets.

Among the women surveyed, 33% reported having more than one cognitive complaint. However, those who closely followed the DASH diet had a 17% lower likelihood of reporting multiple cognitive complaints.

This suggests that starting a healthy diet in midlife may help prevent cognitive impairment in older age.

Future Research and Generalizability

While the findings of this study are promising, more research is needed to determine whether the benefits of the DASH diet apply to people of different racial and ethnic backgrounds.

Diverse populations may have unique dietary habits and health risks, so it’s important to investigate whether similar results can be achieved across various demographic groups.

In conclusion, adopting a DASH diet in midlife, characterized by a focus on plant-based foods and reduced intake of harmful elements, may not only lower the risk of high blood pressure but also help maintain cognitive function as you age.

These findings offer hope for millions of individuals who are concerned about their cognitive health in later life and underscore the importance of making healthy dietary choices early on to support overall well-being.

If you care about nutrition, please read studies about berry that can prevent cancer, diabetes, and obesity, and the harm of vitamin D deficiency you need to know.

For more information about nutrition, please see recent studies about the connection between potatoes and high blood pressure,  and results showing why turmeric is a health game-changer.

The research findings can be found in the journal Alzheimer’s & Dementia.

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