This volume contains the proceedings of the 14th Colloque Medecine et Recher che of the Fondation Ipsen pour la Recherche Therapeutique devoted to Alzhei mer's disease. It was held in Paris on May 25, 1998 and dedicated to the epidemi ological study of this dementia, a very important issue because the incidence and prevalence of Alzheimer's disease rise exponentially with age. Epidemiological findings not only confirm dementia as a major challenge for the coming years but also contribute defining risk factors, predicting and may be preventing this disease. All these issues have been tackled...