A huge study found: these are the key factors for a fulfilling and happy life - voila! health. Over 12,000 participants were recruited for the study, including adults, without work and with work, aged 25-64.

Participants were surveyed in a variety of categories, including family, work, education, social interests, social status, income and life satisfaction. The best-case scenario for the highest life satisfaction? 'You are married, happy with your personal appearance, you have good family and community support, and you have excellent health'