Not really? People across the planet have had predominantly or exclusively vegetarian (not necessarily vegan) diets since forever and have been perfectly health

Not really? People across the planet have had predominantly or exclusively vegetarian (not necessarily vegan) diets since forever and have been perfectly healthy. I think there are - might be misrembering - more credible studies that you can live on a diet of exclusively potatoes without ill effects aside from, well, that kind of diet itself. I looked over the article and was expecting to see something on it like "Funded by [Tuscany's version of the Beef Producers Council]."