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BMJ 2012; 344 doi: (Published 16 February 2012) Cite this as: BMJ 2012;344:e1006

Diet is linked to mortality in the over 65s. A 14 year follow-up study of almost 1000 adults aged 65 or over who participated in the British Diet and Nutrition Survey in 1994/95 concludes that the recommended food score and the Mediterranean diet score are both inversely associated with all cause mortality (Journal of Nutrition 2012;142:320-5, doi:10.3945/jn.111.148692). The authors say that simple food based indicators predict mortality just as well as more complex diet scores.

A US randomised controlled trial of strict versus liberal target ranges for perioperative glucose levels in patients undergoing coronary artery bypass grafting found both target ranges led to similar levels of perioperative complications. But the maintenance of blood glucose levels within a liberal range after bypass grafting was associated with fewer hypoglycaemic events (Journal of Thoracic and Cardiovascular Surgery 2012;143:318-25, doi:10.1016/j.jtcvs.2011.10.070). The recommended blood glucose …

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