LifestyleWinter Workout - the Way to Stay HealthyTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoLifestyle11/29/2012November 29, 2012If the mercury drops below minus five degrees Celsius, it is best to breathe through a scarf or cloth over your mouth to ensure intake of warm air. Find out why staying warm while stretching and breathing through your nose are so important.https://p.dw.com/p/16sI0Advertisement