it gives you something to think about, cognitive exercise has an absoltue possitive effect also it is known that neural plasticity is just part of how our brains deal with damage of all sorts, so cleaning up "your" act and engaging in challeging cognitive tasks is almost certainly going to have benificial effects, imediatly

yes, sure. We'd not be such red meat eaters if it wouldn't be an efficient source of various stuff, at least in some moderate amounts. And our body is like a large enterprise software monolith - you touch something here, and it would reverberate in unexpected ways at some other unexpected places.

The logic i see here is that, having excessive level of iron storage protein, may be it makes sense to cut somewhat back on one of the best sources of hem iron - i.e. red meat.