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Chili Pepper Consumption and Mortality in Italian Adults.

  • 2019-12
  • Journal of the American College of Cardiology 74(25)
    • M. Bonaccio
    • A. Di Castelnuovo
    • S. Costanzo
    • E. Ruggiero
    • A. De Curtis
    • M. Persichillo
    • C. Tabolacci
    • F. Facchiano
    • C. Cerletti
    • M. Donati
    • G. de Gaetano
    • L. Iacoviello

Abstract

Background: Chili pepper is a usual part of a traditional Mediterranean diet. Yet epidemiological data on the association between chili pepper intake and mortality risk are scarce, with a lack of studies from Mediterranean populations.

Objectives: This study sought to examine the association between chili pepper consumption and risk of death in a large sample of the adult Italian general population, and to account for biological mediators of the association.

Methods: Longitudinal analysis was performed on 22,811 men and women enrolled in the Moli-sani Study cohort (2005 to 2010). Chili pepper intake was estimated by the EPIC (European Prospective Investigation Into Cancer) Food Frequency Questionnaire and categorized as none/rare consumption, up to 2 times/week, >2 to ≤4 times/week, and >4 times/week.

Results: Over a median follow-up of 8.2 years, a total of 1,236 deaths were ascertained. Multivariable hazard ratios (HRs) for all-cause and cardiovascular disease (CVD) mortality among participants in the regular (>4 times/week) relative to none/rare intake were 0.77 (95% confidence interval [CI]: 0.66 to 0.90) and 0.66 (95% CI: 0.50 to 0.86), respectively. Regular intake was also inversely associated with ischemic heart disease (HR: 0.56; 95% CI: 0.35 to 0.87) and cerebrovascular (HR: 0.39; 95% CI: 0.20 to 0.75) death risks. The association of chili pepper consumption with total mortality appeared to be stronger in hypertension-free individuals (p for interaction = 0.021). Among known biomarkers of CVD, only serum vitamin D marginally accounted for such associations.

Conclusions: In a large adult Mediterranean population, regular consumption of chili pepper is associated with a lower risk of total and CVD death independent of CVD risk factors or adherence to a Mediterranean diet. Known biomarkers of CVD risk only marginally mediate the association of chili pepper intake with mortality.

Keywords: Mediterranean diet; cardiovascular mortality; cerebrovascular mortality; chili pepper; inflammation; risk factors; total mortality.

Research Insights

SupplementHealth OutcomeEffect TypeEffect Size
Long PepperReduced Cardiovascular Disease MortalityBeneficial
Moderate
Long PepperReduced Cerebrovascular Disease MortalityBeneficial
Large
Long PepperReduced Ischemic Heart Disease MortalityBeneficial
Moderate
Long PepperReduced MortalityBeneficial
Moderate
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