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Using an air purifier with the right filter is key to removing them

Deep stains may need professional treatment

For everyone, knowing how much the places we spend time might shape our decision-making is powerful. The idea for this interdisciplinary study dates to 2014, and over time the team grew to include experts in health communication, tobacco marketing, and geospatial analysis, as well as a team of research staff who led data collection, says the projects research director, Nicole Cooper, who is now managing director of research in Falks Communication Neuroscience Lab

In more drastic cases, you may have to repaint the walls and ceilings