Strongest in Sample size (78). Held back by Recency (36).
Solid mix of RCTs with some methodological gaps.
Confirmed across many independent studies with significant findings.
Tens of thousands of participants pooled across studies.
Mixed direction across studies.
Evidence base skews older; field may have moved on.
No quantified outcomes yet. Once we have studies with measurable endpoints, you will see per-outcome magnitude here.
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