The World Health Organization announced that, currently, around the world, about 35 million persons are suffering of Alzheimer’s disease. In the next 20 years, these figures could double, reaching 66 de million in 2030. In the European Union, approximately 7.3 million people suffer of a form of dementia. According to data from the Romanian Alzheimer Society, in Romania, over 200.000 persons suffer from dementia. Considering the fact that a great number of ill persons are not yet diagnosed, it is estimated that the total number of Alzheimer patients could arise to 350.000.