China’s air pollution has cut life expectancy by 5.5 years in the north of the country and caused higher rates of lung cancer, heart attacks and strokes, according to a groundbreaking study.
The worsening toxic smog in northern China became an issue of national concern after air pollution spiked to record levels in Beijing in January. Worried citizens have made runs on air filters and face masks, and “pollution domes” that provide filtered air for sports activities are increasingly common.
But the body of scientific research on the health impact is slim because there is little historical precedent for prolonged exposure to such high levels of air pollution.
您已阅读20%（663字），剩余80%（2659字）包含更多重要信息，订阅以继续探索完整内容，并享受更多专属服务。