In the dead of winter, opening your windows might seem like the opposite of a wellbeing hack. But in Germany, it’s a standard ...

Aside from the fading sun and the cooling air, the stark difference between the warmer seasons and the cooler times of year is the lack of comfortable natural ventilation. It's easy to keep the ...

The cold, brisk winter air means to stay warm, you tend to close things up for the season. You bolt the windows and doors and block out any air leaks. The goal is to stay nice and toasty warm. But ...

Do you open your windows on a regular basis, even in the cold weather? If you do, you may be following a traditional German practice: lüften. And experts say there may indeed be some health perks to ...