For decades health experts have been hammering into kids the dangers of smoking - but it's not necessarily working. A new report from the American Journal of Preventive Medicine shows heavy smoking is down among teen smokers nationwide, but casual smoking rates are on the rise.
"The fact that one in five high school students are still involved with tobacco products means there's a great risk of becoming more frequent smokers," Dr. Terry Pechachek, associate director for science for the CDC's office on smoking and health, told CBS News.
But the teens on this list are the heaviest users among teen smokers - they smoke at least 10 cigarettes a day. In 2009 the CDC surveyed schools to see how often teens smoked, and 45 states responded. The data might not be complete as some states skipped out, but these 12 have a hefty number of heavy-smoking high schoolers. Keep clicking to find out if your state's teen smokers are heavy users...