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GBD 2013 Risk Factors Collaborators. www.thelancet.com 2015; http://dx.doi.org/10.1016/S0140-6736(15)00128-2

This is the first of a series of annual updates of The Global Burden of Disease, Injuries, and Risk Factor study 2013, whose foundations were laid from 1990-2010. For 79 risks or cluster of risks, among other outcomes, attributable deaths and disability-adjusted life-years (DALYs) were estimated. Risks were categorised into behavioural, environmental and occupational, and metabolic. Since 2010 six new risk factors have been included for example handwashing practices, occupational exposure to trichloroethylene and unsafe sex. The risks identified accounted for 57·2% of deaths and 41·6% of DALYs. In high-income countries, leading risk factors for women are an increased BMI and raised systolic blood pressure. For men from high-income countries, it is again a raised systolic blood pressure and tobacco use. Air pollution was linked to 5·5 million deaths and 141·5 million DALYs. There were some data on occupational exposure to diesel engine exhaust.