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Obesity (Silver Spring). 2007 Jan;15(1):107-16.

Nut consumption and weight gain in a Mediterranean cohort: The SUN study.

Author information

  • 1Department of Preventive Medicine and Public Health, University of Navarra, c/Irunlarrea, 1, 31008 Pamplona, Navarra, Spain. mbes@unav.es

Abstract

OBJECTIVE:

To assess the association, in a Mediterranean population, between nut consumption and risk of weight gain (at least 5 kg) or the risk of becoming overweight/obese.

RESEARCH METHODS AND PROCEDURES:

The Seguimiento Universidad de Navarra project is a prospective cohort of 8865 adult men and women who completed a follow-up questionnaire after a median of 28 months. Dietary habits were assessed with a previously validated semiquantitative food-frequency questionnaire.

RESULTS:

Nine hundred thirty-seven participants reported a weight gain of > or =5 kg at follow-up. After adjusting for age, sex, smoking, leisure time physical activity, and other known risk factors for obesity, participants who ate nuts two or more times per week had a significantly lower risk of weight gain (odds ratio: 0.69; 95% confidence interval: 0.53 to 0.90, p for trend = 0.006) than those who never or almost never ate nuts. Participants with little nut consumption (never/almost never) gained an average of 424 grams (95% confidence interval: 102 to 746) more than frequent nut eaters. Nut consumption was not significantly associated with incident overweight/obesity in the cohort.

DISCUSSION:

Frequent nut consumption was associated with a reduced risk of weight gain (5 kg or more). These results support the recommendation of nut consumption as an important component of a cardioprotective diet and also allay fears of possible weight gain.

PMID:
17228038
[PubMed - indexed for MEDLINE]
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