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"But the gold standard research studies needed to answer this question (randomized controlled trials) have not been done." Randomized controlled trials allow scientists to directly assess whether one factor causes another
more than that, I'm a tobacco enthusiast
Prescription medications for smoking cessationyes, some are effective for quitting smokeless tobacco toocan provide extra support
About 54,540 people in the U.S
Generally this explains why people who smoke less than half a pack a day are uncommon
However, they may be lower than before, with only 45% of them using smokeless tobacco products
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