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This is a Cross-Sectional Study study.

October 21, 2025BMC PediatricsOpen Access

Dietary carotenoids and acute respiratory infection in the general US population: NHANES 2003 − 2018

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Observational analysis reveals a 15% lower risk of acute respiratory infection with higher carotenoid intake, suggesting a protective effect.

Higher dietary carotenoid intake is associated with a 15% reduced risk of acute respiratory infection.
The most significant reductions were linked to β-carotene and β-cryptoxanthin, with odds ratios around 0.77 to 0.86.
Analysis involved 64,560 participants from NHANES data spanning 2003 to 2018, using logistic regression methods.
Findings suggest that dietary carotenoids may be important for respiratory health, especially in children aged 1-18.

Wu et al. (2025) studied this question.

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Observational analysis reveals a 15% lower risk of acute respiratory infection with higher carotenoid intake, suggesting a protective effect.