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Briefly review past work Overview of BAT work: Bioassays Pyrolysis Smoke chemistry SOME DEFINITIONS (a) Tobacco constituent: A substance naturally present in tobacco Tobacco ingredient: A substance, generally a flavor material, added to tobacco during the cigarette manufacturing process SOME DEFINITIONS (b) FLAVORS Impart a specific taste, flavor or aroma: Casings-applied to pre-cut tobacco (few %) - often recognised foodstuffs Flavorings (top flavors) - applied to cut and processed tobacco (ppm levels, several flavors in mixture) SOME DEFINITIONS (c) ADDITIVES Used for a specific technological purpose, e.g.: Humectants increase tobacco moisture-holding capacity Preservatives protect product deteriation from microorganisms Binders and strengtheners maintain physical state of product Fillers contribute to volume without contributing to odor, taste or flavor Potentially, ingredients can: Distil into smoke Decompose/oxidise and products enter smoke Reaction products react with smoke constituents and affect their yields and generate other smoke products GENERAL ASSUMPTIONS BY HEALTH AUTHORITIES Flavor ingredients increase the toxicity of smoke Low tar cigarettes have higher levels of flavor ingredients than higher yield cigarettes US Surgeon Generals Report, 1979 In a section discussing technical achievements to develop low tar cigarettes, stated: All of these developments have led to increased use of flavor additives, especially for low-tar, low-nicotine cigarettes

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Mimi Rogers Interview: The Secrets of "Bosch: Legacy" Written by Marc Parker and Melissa Benefield Parker, Posted in Interviews Actors Image attributed to Amazon Studios Mimi Rogers has spent over four decades in the entertainment industry as an actress

The FDA, after being sued for inaction on the said issue, reported in April 2021 that it is slated to remove menthol from the said tobacco products