He adds that the study benefited from examining a group whose rates of alcohol and tobacco use are low.

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And be prepared to discuss your tobacco and alcohol use, he says.

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The leading health risk factors for Europeans today include tobacco and harmful alcohol use.

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The WHO notions range from taxes on Internet use, to financial transactions to alcohol, tobacco and weapons.

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Scroggin's 42-page checklist includes the option to have heirs tested not just for illegal drug use but also for consumption of alcohol, tobacco and caffeine, for instance.

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Last year he infuriated Trent Lott, the Republicans' leader in the Senate, by siding with Senator Ted Kennedy, a Roman Catholic with liberal political views and an alcohol-fuelled history of personal misadventure, in a bill to use tobacco taxes to expand health insurance for children.

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