“…Their purpose was to include in this definition-along with the absence of major diseasesoptimal psychological, physical and social functioning up to old age. Several terms of this concept have thereafter been used (''active aging'', ''productive aging,'' ''aging well,'' ''living well,'' ''senior wellness'', ''positive biology'') [3][4][5][6][7][8][9][10][11][12], and recently the abbreviation AHA (''active and healthy aging'') has been used in Europe. We have chosen to use the terms AHA and non-AHA in the present paper.…”