Lack of exercise runs up $67.5 bn annual health tab

Living a sedentary lifestyle is associated with more than five million deaths in the world every

Health problems caused by a lack of daily physical exercise cost the world some $67.5 billion (61 billion euros) in 2013 -- more than many countries' GDP, researchers said Thursday.

The total was divided between $53.8 billion in healthcare spending and $13.7 billion in lost productivity, according to a study published in The Lancet medical journal.