By Priyanjana Pramanik, MSc. Reviewed by Susha Cheriyedath, M.Sc. May 19 2025 New research reveals that even low levels of air pollution can trigger dangerous changes in blood vessels, underscoring the urgent need for clean air to protect heart health worldwide. Review: Air pollution and atherosclerosis In a recent review article published in the journal Atherosclerosis , researchers provided an overview of how air pollution contributes to the start and worsening of atherosclerosis. They