Key points from article :
Research suggests that being wealthy adds 10 years to one's lifespan.
At age 50, the wealthiest lived for an extra 31 years in good health compared to 22 years in the poorest group.
Efforts should be taken to reduce health inequalities in disadvantaged socioeconomic groups
Data from more than 25,000 people aged 50 and over from UK and US were analysed.
Research by University College London, published in The Journals of Gerontology, Series A.
