Answers are grounded in this paper and cite their sources.
The small but mostly consistent correlation between long DUP and poor outcome indicates that early intervention in psychosis may have at least subtle positive effects on the long-term course of illness.
No takes yet. Share an insight, caveat, or question.
Penttilä et al. (2014) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: