Geographical association of biodiversity with cancer and cardiovascular mortality rates: analysis of 39 distinct conditions

Qiaochu Xu, Bingjie Qu, Li Li, Ying Chen*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Biodiversity has been recognized as a positive contributor to human health and wellbeing. Cardiovascular disease and cancer are the two most significant global health burdens, and understanding their relationship with biodiversity forms an essential step toward promoting biodiversity conservation and human health. Methods: The species richness of birds is a common indicator of biodiversity, given their vast numbers, distinctive distribution, and acute sensitivity to environmental disturbances. This ecological study utilized avian observation data derived from the eBird database, human health data from the International Health Metrics and Evaluation, and county-level statistics, including population characteristics, socio-economics, healthcare service, residential environment, and geographic and climatic characteristics in 2014. We aimed to extensively explore the individual associations between biodiversity (i.e., avian species richness) and age-standardized cause-specific mortalities for different types of cancers (29 conditions) and cardiovascular diseases (10 conditions) across the United States (US). Results: Our multiple regression analyses that adjusted for a variety of socio-demographic and geographical factors showed that increased rarefied species richness of birds was associated with reduced mortality rates for three of the five most common cancers, namely, tracheal, bronchus, and lung cancer, breast cancer (in women only), and colon and rectal cancer. For cardiovascular conditions, a similar relationship was observed for ischemic heart disease and cerebrovascular disease—the two most frequent causes of mortality. This study provided extended details regarding the beneficial effects of biodiversity on human health.

Original languageEnglish
Article number1368017
JournalFrontiers in Public Health
Volume12
DOIs
Publication statusPublished - 2024
Externally publishedYes

Keywords

  • biodiversity
  • cancer
  • cardiovascular disease
  • cause-specific mortality
  • ecological study
  • epidemiology
  • richness of birds

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