Is vegetarianism pagan?Modern meat seems so processed and doesn't even taste like food so can Christians be vegetarian?

Fact is, meat has horrible effects on people's bodies and there's this traumatic thing I heard about Satanists sacrificing all the missing kids and drinking their blood and then selling the butchered human flesh to factories and supermarkets. The guy even said that their faverout outlet is McDonalds.
In other words the missing kids in America that don't end up in brothels are probably on your dinner plate.
Anyhow, these stuff make you never look at meat the same. Is it pagan not to eat meat or only eat meat at the farm when you see the cow or goat being slaughtered and you know what kind of meat you are eating?
I was like rail thin while consuming meat(or someone's missing kid) but now I'm thinner and I don't know if being very thin is as dangerous as being very fat cause my body is still working just fine. Just wanted you to know where your meat came from.