LifestyleRecipes for Success (6): The Nutrition Expert04:58This browser does not support the video element.Lifestyle10/12/2013October 12, 2013The Austrian star chef Johann Lafer's curiousity is never satisfied - he's constantly developing both himself and his cooking. He works with a German university to conduct research into "Healthy Eating" and wants to improve the food children eat.Copy linkAdvertisement