> “That [caffeine] might be giving smokers an extra kick that is not disclosed,” lead author Mina Tehrani, a postdoctoral fellow at the JHU School of Public Hea

> “That [caffeine] might be giving smokers an extra kick that is not disclosed,” lead author Mina Tehrani, a postdoctoral fellow at the JHU School of Public Health, says in the statement. “We wonder if they are adding it intentionally.” History should make us suspicious, but I would have liked this article to have included reactions/explanations from the industry.