Αντωνιάδου Ε., Ζυγούρης Σ. and Τσολάκη Μ. 2017. Increase of life expectancy: A source of problems or a biological privilege?. Journal of Research in Education and Training. 10, 1 (Oct. 2017), 108–123. DOI:https://doi.org/10.12681/jret.10895.