We talk to Dr. Nicolas Schönfeld about allergic asthma10/15/2010October 15, 2010We also ask him about the early signs of asthma, existing treatment and what you can do to prevent allergic asthma.https://p.dw.com/p/PSPsOur guest in the studio Dr. Nicolas SchönfeldImage: DW-TVAdvertisementDr. Nicolas Schönfeld Helios Klinikum Emil von Behring Walterhöferstr. 11 14165 Berlin nicolas.schoenfeld (at) helios-kliniken.de