The origins of these cards can be traced back to 1880s America, when blank cards known as stiffeners were put into paper packets in order to stiffen the packaging and protect the cigarettes from being crushed and bent
Researchers have studied over 5,000 tumours, comparing cancers from smokers with cancers from people who had never smoked
Titles and abstracts were screened by the rEM exercise until the machine learning algorithms predicted 97.7% relevant references
Theyve also pointed out Proposition 31s likely reduction of state tobacco tax revenues
Smoking results in more deaths each year in the United States than AIDS, alcohol, cocaine, heroin, homicide, suicide, motor vehicle crashes, and fires combined
9 mg of tar and 0.8 mg of nicotine