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Electric car brand Tesla Motors [NSDQ:TSLA] says it is developed a HEPA air filtration system designed to clear up the outside world before it enters a vehicle's cabin. The filtering system is so ...

Air filter machines put into a handful of UK schools reduced the number of covid-19-related sick days by more than 20 per cent, the first such randomised trial of the intervention has found. HEPA ...

People whose homes are near busy highways may be able to reduce their blood pressure by running an air purifier with a HEPA filter, a study found. Just a month of air filter use cut systolic blood ...