Regular marijuana use does not increase one’s chances of developing lung cancer, reported UCLA’s Dr. Li Rita Zhang during the annual meeting of the American Association of Cancer Research. Dr. Zhang dually analyzed data from six case-control studies conducted from 1999 to 2012 in the United States, Canada, the United Kingdom, and New Zealand, which, when combined, tallied a subject pool of 2,159 lung cancer cases and 2,985 controls. Dr. Zhang’s examination found that when compared with marijuana…