Summary
A long-running Medical Research Council cohort study survey, which has followed the health and wellbeing of 1,700 people since their birth, indicates that feelings of wellbeing of those in their 60s actually increased as they approached the age of 70 (despite long-term health problems).
People aged 45 to 59 reported the lowest levels of life satisfaction, for some reason(s).
Reference
Rise in wellbeing in late 60s, survey finds. London: BBC Health News, February 29th 2016.
See also:
Reference
Longest-running cohort study in the UK celebrates turning 70. London: Medical Research Council (MRC), February 29th 2016.