REPORT FROM THE 13TH CONGRESS OF THE EUROPEAN FEDERATION OF NEUROLOGICAL SOCIETIES (EFNS), FLORENCE, ITALY, SEPTEMBER 12-15, 2009 – The prevalences of parkinsonism and Parkinsons disease are on the increase among the elderly, according to an analysis of subjects in the Italian Longitudinal Study on Aging (Baldereschi et al. EFNS 2009).