What are your main health reasons for eating (or refusing to eat) different types of meat such as processed, red, white, et cetera?

I would also like to see any scientific studies that you have found that are interesting on this matter. Posting a link to an overview page is fine, or a plain DOI string would work, since then it is possible to search for freely available editions of the study.

To be clear, I do not intend this post as a question about the morality of eating meat, but discussion of that is welcome as well (but may have to warrant a group change of this topic from ~science to ~talk).

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1308620/pdf/pubhealthrep00019-0011.pdf

An excerpt of this article was linked from Slate Star Codex today[0] -- it documents a case of widespread lead exposure in a low-income Massachusetts city. I found the article itself more interesting than the commentary around it, in part because it reads like a pulp detective novel:

When I got to the clinic, I called the Massachusetts Port Authority, the "owner" of the bridge. It was like calling the Vatican, or a taste of Kafka. Finally, after being passed through four secretaries who had not yet had their coffee, I was given to the chief engineer of Massport. In response to my inquiry, he said, "This is not my doing. It was planned before I took this job. Apparently, a couple of years ago, there was a fuss in Chelsea about lead paint on the bridge. We decided to switch to a zinc-based paint, but zinc does not adhere to lead, so we have to blast off the old paint down to the bare metal. If there had been any damage to your car, you can apply to the Authority for reimbursement."

I tried to sound calm. "I'm not really concerned about my car, but you are blasting lead paint onto people's houses."

"We've taken precautions to protect the public. The enclosures we use are adapted from the ones used on the Golden Gate Bridge. We went out there to study them."

I responded, "The enclosures aren't working and you know they aren't. You're warning drivers to close their windows. You can see the stuff coming out. The whole idea was to prevent lead poisoning and you're making things worse."

A North Atlantic chill entered the voice of the Authority. "May I ask what concern this is of yours?"

[0] http://slatestarcodex.com/2018/05/23/should-psychiatry-test-for-lead-more/