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What is ‘house burping’ and does your home need it?

What is house burping? A Rush University doctor explains the viral lüften trend and how it can benefit your household.
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What is ‘house burping’ and is it good for your health? | ChicagoLIVE

Dr. Arnaud Wautlet of Rush University Medical Center explains the viral trend known as lüften and how briefly opening windows ...