Key points from article :
Earlier findings showed that enjoyment of life during a single moment in time was associated with a longer life.
University College London (UCL) researchers wanted to know how important is sustained well-being?
Enjoyment of life was assessed three times at 2-year intervals between 2002-2006.
Those people most enjoying life had 17% reduction in risk of death over 10 year study period.
Study included 9,365 adults with an average age of 63 years.
The study was published in the British Medical Journal.
