For each time point there are four possible exposure categories: no use, used snuff sometimes, used snuff daily, and unknown frequency of use. We pooled unknown frequency and used snuff sometimes into a category of occasional use, creating a three-level dose variable: 1 (no snuff use), 2 (occasional use), and 3 (daily use)
Sudhir Raj
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Retreating to Blueberry Hill after the screening, we sat in near-silence, slack-jawed and stunned, incapable of processing or intelligently discussing the film wed just seen
Last fall FDA Commissioner Margaret Hamburg claimed "flavored cigarettes are a gateway for many children and young adults to become regular smokers." In the same press release, Assistant Secretary of Health and Human Services Howard Koh made an even bolder assertion, implying that the ban will stop all underage smoking: Flavored cigarettes attract and allure kids into lifetime addiction