So, do they include potatoes ?

Baked Beans ?

All of this airy fairy research done by bored, overpaid academics, justifying their jobs. Presumably it follows that vegetarians are the longest-lived people on the planet ?

Yes, of course I eat vegetables every day of the week, and fruit too if I can remember.

Humans are omnivores. Our dentition and digestive tract tell us that, regardless of what we choose to put in our mouths.

Balanced diet is what is required, IMO, just as we were taught in school...decades ago.