[PMC free article: PMC4012803] [PubMed: 24751181] Marron M, Boffetta P, Zhang ZF, et al.: Cessation of alcohol drinking, tobacco smoking and the reversal of head and neck cancer risk
Each type of cigarette raised the smokers' blood levels of nicotine to their highest levels after two minutes
The Tobacco Control analysis, which included 37 studies conducted in 16 countries, found that: COMPARED TO TEXT-ONLY WARNINGS, PICTURES: Held peoples attention for longer Seemed more credible Made peoples attitudes toward smoking more negative Made people less willing to pay for cigarettes Strengthened peoples desire to quit smoking, or not to start HOWEVER, PICTURES DIDNT: Help people remember the content of warnings better Make people believe more in their ability to quit This has important implications for what policy the United States should implement, the analysis lead author, University of North Carolina communications researcher Seth Noar, said in a statement
It can also worsen existing dental issues, making tooth pain more severe
