Seems like this has a lot more to do with the type of people who abstain from meat vs those who do--rather than the effects of eating meat. People who abstain

Seems like this has a lot more to do with the type of people who abstain from meat vs those who do--rather than the effects of eating meat. People who abstain from eating meat due to animal compassion (empathy) might be more susceptible to depression due to their empathetic disposition.