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June 21, 2026Urban forestry & urban greeningOpen Access

Greenness across the lifespan and adult respiratory health: A longitudinal cohort study

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Authors

YZYiling ZhengYZYilin ZhangJJJohn S. Ji

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Overview

Longitudinal cohort study reveals greenness improves respiratory health in a Chinese population, highlighting adolescence as a critical period.

Key Points

  • This study investigates how greenness throughout life affects adult respiratory health in a Chinese population.
  • Data analyzed from 39,780 participants aged 6-25 years in Taiwan from 2000 to 2022.
  • Utilized normalized difference vegetation index (NDVI) to characterize greenness exposure.
  • Applied generalised linear mixed models and causal mediation analyses to assess associations.
  • Each interquartile range increase in NDVI linked to 17%-29% lower odds of lung function impairment.
  • Improved lung function metrics: 1.88% higher forced vital capacity (FVC), 1.99% higher forced expiratory volume in one second (FEV1), and 1.92% higher maximal mid-expiratory flow (MMEF).
  • PM 2.5 mediated 4.83%-11.84% of the association between greenness and respiratory health.

Cite This Study

Zheng et al. (2026) studied this question.

synapsesocial.com/papers/6a3781db24f042ddf4c5b7a2https://doi.org/10.1016/j.ufug.2026.129570
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