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Article Publish Status: FREE
Abstract Title:

Consumption of Nuts at Midlife and Healthy Aging in Women.

Abstract Source:

J Aging Res. 2020 ;2020:5651737. Epub 2020 Jan 7. PMID: 32399296

Abstract Author(s):

Tania-Marisa Freitas-Simoes, Maude Wagner, Cecilia Samieri, Aleix Sala-Vila, Francine Grodstein

Article Affiliation:

Tania-Marisa Freitas-Simoes

Abstract:

Background: Nut consumption may reduce age-related diseases and lead to better health and well-being in aging. Many conditions of aging develop over decades, and thus earlier lifestyle factors may particularly influence later health.

Methods: In 1998 and 2002, we administered food frequency questionnaires to assess nut consumption (peanuts, walnuts, and other nuts and peanut butter) in women in the Nurses' Health Study in their 50 s/early 60 s. In 2012, those who survived beyond 65 years with no chronic diseases, no reported memory impairment, no physical disabilities, and intact mental health were considered"healthy agers."We used multivariable logistic regression to estimate odds ratios for healthy versus usual aging, controlled for sociodemographic, behavioral, dietary, and other potential confounding factors.

Results: Of 33,931 participants at midlife, 16% became"healthy agers."After age adjustment, we observed a significant association between total nut consumption at midlife and higher odds of healthy aging, with strongest associations observed excluding peanut butter (odds ratio (OR) = 1.46, 95% confidence interval (CI) 1.32-1.62, ≥3 servings/week versus none). Findings were attenuated after further control for covariates, including overall diet quality (OR = 1.14, 95% CI 1.02-1.28,trend = 0.05). For nut types, we found statistically significantly higher odds of healthy aging across peanuts, walnuts, and other nuts after age adjustment. After full control for confounders, only walnut consumption remained associated with healthy aging (trend = 0.0001); for example, the OR was 1.20 (95% CI 1.00-1.44) for ≥2 servings/week versus none.

Conclusions: Women consuming nuts at midlife have a greater likelihood of overall health and well-being at older ages. Nut consumption may represent a simple intervention to explore and promote healthy aging.

Study Type : Human Study

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