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public health 111 , 230246 (2021)

Updates to the Tobacco Products Directive included bans on flavoured tobacco products, including cigarettes and rolling tobacco

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They quoted Berkeley Earth, a non-profit organization founded by environmentally-conscious scientists (with no direct relationship to the university in California), saying Berkeley Earths scientific director, Richard Muller , says breathing Beijings air is the equivalent of smoking almost 40 cigarettes a day. This factoid was alluded to in the bold print of The Economist 's accompanying graphic, shown below: The quote appears to stem from a press release from Berkeley Earth, as their study itself makes no reference to cigarette equivalents of Beijings air