In 2015, 11·5% of global deaths were attributable to smoking worldwide, of which 52·2% took place in four countries (China, India, the USA, and Russia), finds a study in The Lancet with open access funded by the Gates Foundation.

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In 2015, 11·5% of global deaths were attributable to smoking worldwide, of which 52·2% took place in four countries (China, India, the USA, and Russia), finds a study in The Lancet with open access funded by the Gates Foundation.