Canine doctorTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video11/14/2013November 14, 2013Happy is not only 11-year-old Lea's best friend. Lea has diabetes, and her pet poodle has been trained to smell when her blood sugar levels drop to dangerous levels.https://p.dw.com/p/1AHGyAdvertisement