Expatriates living in countries with 'free market' economic regimes could be more likely to become obese.
This is according to a recent study conducted by scientists at Oxford University.
The research revealed that the stress of being exposed to economic insecurity can push people into eating more.
People living in a country with a competitive social system but without a strong social state were found to be most at risk.
Expat insurance could be needed by people living in the US in particular, since the university's analysis of surveys conducted between 1994 and 2004 revealed that one-third of the country's population is classed as obese.
By contrast, Norway had the lowest prevalence of obesity at just five per cent.
Along with the US, Britain, Canada and Australia were treated as 'market-liberal' countries, while Finland, France, Germany, Italy, Norway, Spain and Sweden were seen as relevantly affluent countries but with stronger social protection.
These latter countries were determined to have lower levels of security in line with higher economic security.
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