Research from the US predicts that if smoking and solid fuel use in homes continues in China they will cause a total of 83 million deaths between 2003 and 2033 and that only large-scale interventions stand a chance of reducing this number. The research is the work of a team from Harvard School of Public Health (HSPH) in Boston, Massachusetts, and is published online on October 4th and in the October 25th print issue of The Lancet.