The effect of cigarette smoking on self-reported or assessed health (SAH) has been considered in several studies, with some surprising results, but smoking behavior has received less attention in studies in countries like China, than in the United States and various European countries. In this...

Asthma patients' health status may be especially sensitive to some types of air pollution, but the evidence on this is mixed. We explore the effects of ground-level ozone on asthma patient's activities, breaking apart the usual aggregated category of leisure into indoor and outdoor activities,...