She said studies done in the 1990s showed that users of Swedish snus in the 1970s faced a twofold increase in the risk of oral cancer. How much to rely on those studies now is unclear, she said, given that the company has reduced the cancer-causing nitrosamines in snus.
For the Louis Armstrong song, see What a Wonderful World. Wonderful World (occasionally referred to as (What A) Wonderful World) is a song by American singer-songwriter Sam Cooke.
Some Kind of Wonderful  is a song by Gerry Goffin and Carole King that was first released by the Drifters in 1961. (It is not related to another song of the same name which was written by John Ellison and first released by Soul Brothers Six in 1967.).