====== Global life expectancy ====== According to a rise of global [[life expectancy]], especially in the last two decades ((Organization WH (2016) World Health Statistics 2016)), the prevalence of diseases associated with [[neurodegenerative]] processes is increasing. In [[2010]], the estimated number of people living with [[dementia]] worldwide was 35.6 million and this number is expected to rise to 65.7 million by 2030 ((Prince M, Bryce R, Albanese E, Wimo A, Ribeiro W, Ferri CP (2013) The global prevalence of dementia: a systematic review and metaanalysis. Alzheimers Dement 9:63–75 e62. https://doi. org/10.1016/j.jalz.2012.11.007)).