The thought that vegetarian diets are more healthy is common, but most well-done clinical studies have failed to show a benefit. This report is one of the largest, and shows no decrease in mortality in vegetarians compared to meat eaters. Lifestyle choices are often related, which is why studies of vegetarians need to be carefully compared. A previous report of the EPIC-Oxford study is illustrative. Vegetarians in this population had a standardized mortality rate that was 52% lower than the general United Kingdom population, but the meat eaters in this study showed the same decrease, likely because people taking part in the study joined partly because of their interest in healthy lifestyles. Full text of the article is here.