Smoking cigarettes and daily use of cannabis are strongly linked in the United States, research says. Smokers, overall, are seven times more likely to use pot daily than non-smokers, according to a study recently published in the American Journal of Public Health.
원문출처 : http://www.cnn.com/2017/12/05/health/cigarette-smoking-pot-smoking-study/index.html
원문출처 : http://www.cnn.com/2017/12/05/health/cigarette-smoking-pot-smoking-study/index.html