Nuts can help with type 2

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July 2011 - Eating nuts every day could help control Type 2 diabetes and

prevent its complications, according to new research from St. 's

Hospital and the University of Toronto.

In the research, published online by the journal Diabetes Care, a team of

researchers led by Dr. (University of Toronto Department of

Nutritional Sciences; St. 's Hospital Risk Factor Modification

Centre) reports that consuming two ounces of nuts daily as a replacement for

carbohydrates proved effective at glycemic and serum lipid control for

people with Type 2 diabetes. The article, entitled " Nuts as a Replacement

for Carbohydrates in the Diabetic Diet, " is available here.

<http://care.diabetesjournals.org/content/early/2011/06/02/dc11-0338.abstrac

t>

" Mixed, unsalted, raw, or dry-roasted nuts have benefits for both blood

glucose control and blood lipids and may be used as part of a strategy to

improve diabetes control without weight gain, " said Dr. , who also

has appointments with St. 's Division of Endocrinology and Metabolism

and the U of T's Department of Medicine. He also serves as Canada Research

Chair in Nutrition and Metabolism.

and his colleagues provided three different diet supplements to

subjects with Type 2 diabetes. One group was given muffins, one was provided

with a mixture of nuts including raw almonds, pistachios, walnuts, pecans,

hazelnuts, peanuts, cashews, and macadamias, and one group was given a

mixture of muffins and nuts.

Subjects receiving the nut-only supplement reported the greatest improvement

in blood glucose control using the glycosylated hemoglobin (HbA1c) test. The

nut diet subjects also experienced a reduction in low-density lipoprotein

cholesterol (known as LDL, or " bad cholesterol " ). The subjects provided the

muffin supplement or mixed muffin-and-nut supplement experienced no

significant improvement in glycemic control but those receiving the

muffin-nut mixture also significantly lowered their serum LDL levels.

" Those receiving the full dose of nuts reduced their HbA1c [the long-term

marker of glycemic control] by two-thirds of what the U.S. Food and Drug

Administration recognizes as being clinically meaningful for therapeutic

agents. Furthermore, neither in the current study nor in previous reports

has nut consumption been associated with weight gain. If anything, nuts

appear to be well suited as part of weight-reducing diets, " Dr.

said.

" The study indicates that nuts can provide a specific food option for people

with Type 2 diabetes wishing to reduce their carbohydrate intake. "

This work was supported by the Canada Research Chair Endowment of the

Federal Government of Canada, the International Tree Nut Council Nutrition

Research & Education Foundation (representing almonds, Brazils, cashews,

hazelnuts, macadamias, pecans, pine nuts, pistachios, and walnuts), and the

Peanut Institute. None of the funding organizations or sponsors played any

role in the design and conduct of the study; in the collection, management,

analysis, and interpretation of the data; or in the preparation, review, or

approval of the manuscript. Dr. has also received honorariums for

consultation from the International Tree Nut Council and the Almond Board of

California.

Source: St. 's Hospital

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