Berkeley Lab researchers found that the sticky residue left behind by tobacco smoke led to changes in weight and blood cell count in mice. These latest findings add to a growing body of evidence that thirdhand smoke exposure may be harmful.

Researchers from the Biosciences Biological Systems and Engineering Division (BSE) and the Energy Technologies Area (ETA) teamed up with scientists at UC San Francisco and Nanjing Medical University for the study. The findings, reported in a Feb. 3 paper in Scientific Reports, suggest that the dangers associated with smoking continue long after the cigarette is snuffed out. Read more in the Berkeley Lab News Center.