A diet enriched with walnuts may improve the elasticity of blood vessel in type 2 diabetic patients. This benefit, in turn, might reduce the overall cardiac risk in type 2 diabetic patients.
The study, involving 24 participants[limited sample] with type 2 diabetes, randomly assigned patients to receive either an ad libitum diet enriched with 56 g (366 kcal) of walnuts/day or an ad libitum diet without walnuts. The researchers performed blood vessel elasticity test and cardiovascular biomarkers test before and after the eight-week treatment.
Compared to the diet without walnuts, individuals in the walnut-enriched diet experienced a significant improvement in the blood vessel elasticity. The study also found that patients who ingested walnut showed increased fasting serum glucose and lowered serum total cholesterol and LDL cholesterol from baseline, even thought the difference was not significant from the group without walnuts.
Ma Y. et. al. Diabetes Care (02/10) Vol. 33, No. 2, P. 227
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