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Cigarettes Become Cool After World War I Chewing tobacco and pipes were more popular than cigarettes at the turn of the 20th century, with many people associating cigarettes to boyhood, adolescence, rebellion, says Allan Brandt, professor of the history of medicine and public health at Harvard University and author of The Cigarette Century: The Rise, Fall, and Deadly Persistence of the Product That Defined America

One way to remember which is which is to keep in mind that the Tobacco Hornworm's white markings are straight lines like cigarettes, while the Tomato Hornworm's are Vs, for tomato vines

Further research is needed to understand if pictorial HWLs further discourages smoking initiation

Rothbard JB et al