THE Greeks are the heaviest smokers in the world, getting through over 3,000 cigarettes per person in 2007, according to ERC, a market-research company. European countries occupy 18 of the 20 top slots. A combination of public bans, hefty taxes and health warnings has led to a decline in most rich countries, but the Japanese and Spanish are finding it hard to kick the habit. Cubans smoke less than Americans, perhaps preferring cigars instead.

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