17 July 2012 Updated at 20:26 ET
Inactivity 'killing as many as smoking'
Nick Triggle
Health correspondent, BBC News
Report co-author Dr I-Min Lee: "Being inactive increases your risk of developing chronic diseases"
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A lack of exercise is now causing as many deaths as smoking across the world, a study suggests.
link-
http://www.bbc.co.uk/news/uk-wales-politics-18876880