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News - Heart-healthy walnuts

By Holly Taylor BSc(Hons) DipCNM MBANT

A new study from America suggests that daily consumption of walnuts may improve the health of blood vessels, thereby decreasing the risk of heart disease.

Researchers at Yale University recruited 24 type-II diabetics, with an average age of 58, and randomly assigned the participant to one of two dietary groups.

The first group were asked to add 56g of walnuts to their diet for eight weeks, while the other group continued to follow their normal diet so they could be used as a comparison.

At the end of the eight weeks, the scientists measured the participants’ blood flow, blood sugar and cholesterol levels. The participants given the walnuts demonstrated significant improvements in the function of the blood vessel lining compared to the non-supplemented group. What’s more, there was also a trend towards improved cholesterol and blood sugar levels in the supplemented group.   


Article References

Y. Ma et al. (2010) Effects of Walnut Consumption on Endothelial Function in Type 2 Diabetics: A Randomized, Controlled, Cross-Over Trial. Diabetes Care. [Epub ahead of print].

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