It’s that time of year when we get way back in the nooks and crannies of our homes with a mop, or a cloth or a broom. It’s also when we find dust in places we’d long forgotten to clean. Daniel from Sauk Rapids has been doing some deep spring cleaning, so he emailed WCCO wondering: Where does all the dust come from?
University of Minnesota researchers say taconite workers face an increased risk of a rare form of lung cancer, and it’s higher the longer they’re on the job. But they can’t say for certain if dust from the state’s iron mining and processing operations causes it.