New study out from the Journal of Affective Disorders shows that vegetarians have depression twice as often as meat eaters-  The study surveyed over 14,000 people over a six month period and found the outcome was not linked to ‘socioeconomic or lifestyle factors’ nor is it nutrient deficiency that causes the link-    The study authors say, ‘Depressive episodes are more prevalent in individuals who do not eat meat’ they were unable to understand the possible cause and effect or why it happened but will research now further.