History of Lung cancer

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Passive smoking, whereby exhaled smoke is taken up by other people, has recently been identified as a much larger cause of lung cancer in non-smokers than previously believed. The [US Environmental Protection Agency]? (EPA) in 1993 concluded that about 3000 lung-cancer related deaths were caused by passive smoking every year, however the true extent is still being contested among scientists.

Passive smoking, whereby exhaled smoke is taken up by other people, has recently been identified as a much larger cause of lung cancer in non-smokers than previously believed. The [US Environmental Protection Agency]? (EPA) in 1993 concluded that about 3,000 lung-cancer related deaths were caused by passive smoking every year, however the true extent is still being contested among scientists.

	Revision 6 . . December 8, 2001 10:11 am by Eloquence
	Revision 5 . . December 8, 2001 10:10 am by Eloquence
	Revision 4 . . (edit) November 19, 2001 9:40 pm by Sodium
	Revision 3 . . (edit) November 19, 2001 9:35 pm by Sodium
	Revision 2 . . (edit) November 19, 2001 4:30 pm by Sodium
	Revision 1 . . November 19, 2001 5:53 am by Sodium [initial article]