In the dead of winter, opening your windows might seem like the opposite of a wellbeing hack. But in Germany, it’s a standard practice called lüften: airing out one’s home every day, even in the ...

Here's how “house burping” can improve indoor air quality, reduce winter illness risks and boost comfort in just minutes.

House burping, a term Americans use for the German practice of lüften, involves opening windows once or twice a day to air ...