The issue focused on an article in the March 10, 2013 issue of Science that reported the study's finding that research studies have found a link between medical marijuana and cancer. The article has been referred to as "dubious."

Cannabis may be used for pain relief, but even before Dr. Meinecke could find any actual science behind it, some researchers were saying there was no scientific evidence that medical marijuana had any effect on cancer. The biggest challenge is getting scientists to think seriously about