And if you can't because of where you live, there's a good chance neither could your grandparents had if they lived there as well.
Edit: For pregnant women and others for sure. But in the general population no
The advanced glycation end products from overcooked/burnt meat have been shown to, but not meat itself.
There's such a gap between Soylent and something like Wendell Berry's ideas:
https://www.ecoliteracy.org/article/wendell-berry-pleasures-...
People do mention that in relation to Soylent, encouragingly (whether it's altogether right or not). Historical perspective is very important.