ScienceHow to solve medical mysteries?To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience12/03/2015December 3, 2015Prof. Jürgen Schäfer explains some of the challenges of dealing with rare disorders: many patients receive the wrong treatments - or none at all - because the true cause of their complaints has not been identified.https://p.dw.com/p/1HHQKAdvertisement