is it healthier to eat no meat?

[FlatAssembler]

Okay, okay...howsabout Lupus, then?

Well, a quick Google search shows many studies that conclude saturated fat negatively affects lupus. I suppose you could use that as an argument against eating meat, but that wouldn't be nearly as strong as the argument from heme iron and colon cancer (because red meat is the only food that contains significant amounts of heme iron, and there are plant foods that contain a lot of saturated fat, such as coconut-derived food).