Following this puts new work involving it at the top of your briefing, with a note saying why it is there. Links are taken from the source record, never inferred.
This is an unrefereed arXiv preprint presenting a systems engineering study of RL components with empirical benchmarking; it has not undergone peer review and lacks the clinical or hard-outcome endpoints needed for stronger evidence grades.
A narrative review synthesizing mechanistic pathways and proposing a conceptual framework; does not report primary experimental evidence, effect sizes, or comparative clinical outcomes.