Marker check · 2 questions
Environment
Fine-particle air pollution measurably shortens life — the Air Quality Life Index attributes 1–2 years in heavily polluted regions, and cleaner air in US cities tracked with ~7 months gained. Sun habits matter for skin cancer: repeated burns are the risk, not sunshine itself.
The research
- Pope et al., NEJM 2009 — PM2.5 reduction ≈ +7 months US life expectancy
- AQLI (EPIC/UChicago) — PM2.5 life-expectancy attribution
- Whiteman et al., Cancer Causes Control 2001 — sunburn and melanoma