Air pollution particles discovered hitching a ride around the body on red blood cells https://publications.ersnet.org/content/erjor/early/2025/09/04/2312054100767-2025 Researchers have found the first direct evidence that tiny particles of air pollution stick to red blood cells, meaning they can travel freely around the body https://medicalxpress.com/news/2025-10-air-pollution-particles-hitching-body.html