Ugy tunik jarvanyos, es lehet hogy nehany even, evtizeden belul jarvanykent is kezelik:
"Megkapta mar a mai NER boldogsag kapszula/injekcio adagjat?"
Lorenzo Coviello, Yunkyu Sohn, Adam D. I. Kramer, Cameron Marlow, Massimo Franceschetti, Nicholas A. Christakis, James H. Fowler: Detecting Emotional Contagion in Massive Social Networks
http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0090…