Effect of physical inactivity on major non-communicable diseases worldwide: an analysis of burden of disease and life expectancy Lee, I.-Min ; Shiroma, Eric J. ; Lobelo, Felipe ; Puska, Pekka ; Blair, Steven N. ; Katzmarzyk, Peter T. Abstract Publication: The Lancet Pub Date: July 2012 DOI: 10.1016/S0140-6736(12)61031-9 Bibcode: 2012Lanc..380..219L