Shi Z, El-Obeid T, Riley M, Li M, Page A, Liu J. High Chili
Intake and Cognitive Function among 4582 Adults: An Open Cohort Study
over 15 Years. Nutrients. 2019 May 27;11(5).
Abstract
We aimed to examine the association between chili intake and
cognitive function in Chinese adults. This is a longitudinal study of 4852
adults (age 63.4 ± 7.7) attending the China Health and Nutrition Survey during
1991 and 2006. Cognitive function was assessed in 1997, 2000, 2004 and 2006. In
total, 3302 completed cognitive screening tests in at least two surveys. Chili
intake was assessed by a 3-day food record during home visits in each survey
between 1991 and 2006. Multivariable mixed linear regression and logistic
regression were used. Chili intake was inversely related to cognitive function.
In fully adjusted models, including sociodemographic and lifestyle factors, compared
with non-consumers, those whose cumulative average chili intake above 50 g/day
had the regression coefficients (and 95% CI) for global cognitive function of
-1.13 (-1.71-0.54). Compared with non-consumers, those with chili consumption
above 50 g/day had the odds ratio (and 95% CI) of 2.12(1.63-2.77),
1.56(1.23-1.97) for self-reported poor memory and self-reported memory decline,
respectively. The positive association between chili intake and cognitive
decline was stronger among those with low BMI than those with high BMI. The
longitudinal data indicate that higher chili intake is positively associated
with cognitive decline in Chinese adults in both genders.
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