Vegetarians have 14% lower cancer risk than meat-eaters, study finds

This doesn't seem to be controlled for very, very important factors.

> However, the authors, led by Cody Watling from Oxford’s population health cancer epidemiology unit, made clear that their findings did not conclusively prove regular meat-eating increased the risk of cancer. Smoking and body fat could also help explain the differences found, they said.

As it is, there seems to be nothing to conclude from this study at all.