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The FDA chose nine images from the first proposed 36 after reviewing the related scientific literature, analyzing the results from an 18,000-person study and taking into account more than 1,700 comments from many groups, including the tobacco industry, retailers, health professionals, public health and other advocacy groups, academics, state and local public health agencies, medical organizations and individual consumers

That helped the most

Irish MEPs also make no secret of the fact that powerful lobby groups for tobacco operate in Brussels

But if they were asked after six weeks, warning recall dropped by nearly half for those who saw the low-emotion image and by one-third if they saw the text-only message