Study suggests adding this easily available health food could impact how you age

  • The study suggests that adding about a handful of walnuts to the diet every day and early on in life could be linked with benefits to overall diet quality as a heart-healthy food

Edited By Rimme Dirchi
First Published20 Sep 2022
Walnuts contains polyunsaturated fat and alpha-linolenic acid—a plant-derived form of omega-3 fatty acids and a recent study suggest that the simple act of adding about a handful of heart-healthy walnuts into the diet often could act as a bridge to other health-promoting lifestyle habits later in life.
Walnuts contains polyunsaturated fat and alpha-linolenic acid—a plant-derived form of omega-3 fatty acids and a recent study suggest that the simple act of adding about a handful of heart-healthy walnuts into the diet often could act as a bridge to other health-promoting lifestyle habits later in life.

While aging is inevitable but age-related diseases do not have to be. And as far as aging goes, diet has a huge role to play when it comes to long term impact on health. In a new study, researchers who reviewed 20 years of diet history and 30 years of physical and clinical measurements have found participants who ate walnuts early on in life showed a greater likelihood for being more physically active, having a higher quality diet, and experiencing a better heart disease risk profile as they aged into middle adulthood.

What makes walnuts so special?

Walnuts are the only tree nut that is an excellent source of plant-based omega-3 alpha-linolenic acid (2.5 grams/28g), which research shows may play a role in heart health, brain health and healthy aging, as per the report. 

Walnuts are considered so nutritious that just one serving of walnuts (28g), or about a handful, boasts of a variety of other important nutrients to support overall health including 4 grams of protein, 2 grams of fiber, and a good source of magnesium (45 milligrams), even as Walnuts offer a variety of antioxidants, including polyphenols. 

This study is one of the longest to suggest that adding about a handful of walnuts to the diet every day and early on in life could be linked with benefits to overall diet quality as a heart-healthy "carrier food" that fits into any eating occasion.

According to Professor of Epidemiology and Community Health at the University of Minnesota School of Public Health and Lead Researcher on CARDIA, Lyn M. Steffen, PhD, MPH, RD, "Walnut eaters seem to have a unique body phenotype that carries with it other positive impacts on health like better diet quality, especially when they start eating walnuts from young into middle adulthood - as risk of chronic diseases like heart disease, obesity, and diabetes elevates."

Here's what the study says:

These findings come from the Coronary Artery Risk Development in Young Adults Study (CARDIA), a long-term and ongoing study that is supported by the National Heart, Lung, and Blood Institute of the National Institutes of Health and aimed at examining the development of heart disease risk factors over time, according to ANI report.

It is important to note that this study is one of the longest to suggest that the simple act of adding about a handful of heart-healthy walnuts into the diet often could act as a bridge to other health-promoting lifestyle habits later in life. The findings also reinforce that walnuts might be an easy and accessible food choice to improve a variety of heart disease risk factors when eaten in young to middle adulthood, the report said.

Notably, in this recent study published in Nutrition, Metabolism, & Cardiovascular Diseases, University of Minnesota School of Public Health researchers note that a possible explanation for the results could be due to the unique combination of nutrients found in walnuts and their effect on health outcomes.

(With inputs from ANI)

 

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