ArticleNutrition & metabolism2026
Artificial sweetener intake and risk of chronic obstructive pulmonary disease: a mediation analysis based on plasma metabolic biomarkers.
Article in Nutrition & metabolism, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundThe long-term respiratory health effects of artificial sweetener consumption remain unclear. This study aimed to investigate the associations of artificial sweetener intake with the risk of chronic obstructive pulmonary disease (COPD) and lung function, and to explore the potential mediating role of circulating metabolites.
methodsHabitual intake of artificial sweeteners (teaspoon/day) was assessed via multiple 24-h dietary recalls. The multivariate Cox proportional hazards regression was used to analyze the association between AS and risk of COPD, and linear regression was used to analyze associations with forced vital capacity (FVC) and forced expiratory volume in 1 s (FEV
resultsA total of 164,656 participants were included. Over a median follow-up of 14.88 years, 4132 incident COPD cases were identified. Compared with non-consumption, higher consumption of artificial sweeteners was associated with a 27% increased risk of COPD (HR = 1.27, 95% CI: 1.14, 1.40) and decreased lung function, including FVC (β: -39.48 mL, 95% CI: -56.53, -22.43, p < 0.001) and FEV
conclusionHigher intake of artificial sweeteners is associated with an elevated risk of COPD and impaired lung function. These associations are partially mediated through pathways related to lipoprotein metabolism and fatty acid profiles.
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