Context Air pollution is a risk factor for cardiovascular diseases (CVD), but the underlying
biological mechanisms are not well understood. Objective To determine whether markers
related to CVD pathophysiological pathways (biomarkers for systemic inflammation and
thrombosis, heart rate, and blood pressure) are sensitive to changes in air pollution. Design,
Setting, and Participants Using a quasi-experimental opportunity offered by greatly restricted
air pollution emissions during the Beijing Olympics, we measured pollutants daily and the …