I would also not be so fast in concluding that there is a correlation at all from this study. Others have pointed out that it was funded by interested parties i

I would also not be so fast in concluding that there is a correlation at all from this study. Others have pointed out that it was funded by interested parties in the meat industry. This meta-analysis only included 20 studies, and of these 20 only one was randomized trial. 18 of 20 used self reporting of mental health. While this meta-analysis suggests that there may be correlation here, I would wait for more proper studies to be conducted and maybe an eventual meta-analysis with better studies included preferably funded by a disinterested party before concluding that a correlation exists.