Smoking continues gradual decline among U.S. teens, smokeless tobacco threatens a comeback
Monday, December 14, 2009 - 19:07
in Mathematics & Economics
(PhysOrg.com) -- Teen smoking reached its recent peak levels around 1996 and 1997, followed by a sharp decline for about six years and a continued more gradual decline ever since, according to the latest Monitoring the Future study of the nation's young people.