The reasons for that are primarily that it decreases their feelings of loneliness, increases their participation in society, and their feeling of purpose in life, as well as adding to their time of living in their own domiciles and increasing their mental capabilities.
Það skýrist af því að þeir eru síður einmana, taka aukinn þátt í þjóðfélaginu, finna aukinn tilgang í lífinu, geta búið lengur heima hjá sér og styrkjast af andlegri hæfni.