Page last updated at 08:39 GMT, Wednesday, 1 June 2011 09:39 UK

Frequent travellers have high obesity risk

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A new study from Columbia University in the United States shows that you are 92% likely to be obese if you are a frequent traveller.

In a study of 13,000 people which includes non-travellers as well as frequent business travellers the analysis showed that Body Mass Index (BMI), which is the accepted measurement for obesity, rises significantly if you travel for 14 days or more in a month.

And these trends are also reflected in differences in blood pressure and cholesterol, as Rajan Datar reports.

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