Yodelling comes of age

Ananova reports: results of a recent study claim that yodelling (yes, yodelling) is healthier than yoga or jogging. Scientists at Graz University found yodelling eased tension and stress by releasing endorphins, as well as giving lungs a healthy workout. So, Austrian tourism officials have started offering yodelling courses and have been stunned by the demand. The biggest course in Graz is oversubscribed with almost four applications for every place. What to do to meet the burgeoning demand? How about an online yodelling course for the overflow? Yodelcourse offers ten yodelling lessons in six languages that end with a diploma (Certificate of Yodelology) for those who complete the course. I'm not sure if the course work is in six languages - or the yodels - and if you trian in one language, does your qualification translate to others?