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JOHN WAYNE ACTOR 01 May 1969

For more insights into how economic factors affect the tobacco industry, the Economist provides comprehensive reports and analysis

There are 22 references cited in this article, which can be found at the bottom of the page

Hang's lab has looked at tobacco-specific chemicals that alter DNA, including one called NNA that is very similar to a well-known and potent carcinogen called NNK

Additional research continues to explore these differences

Between 2004 and 2007, the top-selling brand changed in more than 22 percent of the countries surveyed." I like their color choices...good color variation and no one color sticks out much more than another