Over the last five years, researchers have calculated that the teenage smoking rates have climbed tremendously. Graph number one shows a steady increase in the number of teenagers who smoke heavily. Graph number two shows how teenage smoking has made a comeback, and how the number of teen-agers smoke occasionally and who develop heavier habits has increased sharply in recent years. The tobacco industry and the critics have very different ideas why this rapid increase …
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showed last 75 words of 371 total
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