Optimistic people 'live longer'

Always looking on the bright side of life is directly linked to living a longer, healthier life, a scientific study has suggested. According to research by the Proceedings of the National Academy of Sciences of the United States of America (PNAS), optimism is likely to improve the odds of an individual achieving ‘exceptional longevity' - and living to the age of 85 or beyond - and results suggested that a positive outlook is associated with 11-15% longer life span. The study follows a previous...