Why jogging makes your nose run

Berlin (dpa) – Everything felt fine at home, but a few minutes into your run, your nose starts to run too? You're not alone – and it's especially common as the weather turns colder. "Most of the time, your nose runs when there has been a large temperature difference to the cold," says Axel Klein, a sports physician. When the body warms up during exercise, the sensitive and well-supplied mucous membranes in the nose swell slightly, producing more fluid – and out it comes. Runners don't need to worry, though. "A runny nose while jogging is nothing serious – you can just let it run," Klein says. "It doesn’t affect your performance." In the winter, athletes can wear a multifunctional scarf over the mouth and nose to reduce the sudden chill. If your nose keeps running even in the spring or summ