In Germany, the ventilation technique of lüften involves opening windows wide to create airflow and facilitate air exchange in homes. There are two types of lüften – shock ventilation and cross-ventilation – both aimed at replacing stale air with fresher air. This practice, taken seriously by Germans, has scientifically supported benefits such as reducing indoor pollutants, lowering humidity levels, and improving overall health and well-being.
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Love Coffee? Sorry, But This Is How Long Caffeine Stays In Your System
Caffeine from coffee and tea can take 2-12 hours to leave your system, with an average half-life of 5 hours. Experts recommend limiting caffeine intake after lunch to avoid sleep disruptions, as caffeine can be found in various beverages and foods. The NHS advises not to exceed 400mg of caffeine a day, while pregnant women should limit intake to 200mg or less. Full Article
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