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Psychology: what the evidence shows

Evidence summaries on psychological topics such as anxiety: what systematic reviews and meta-analyses show, how strong the evidence is, and its limits. Every claim is quoted from its source. Educational information, not medical advice.

Psychology
Anxiety: what self-help approaches are supported by evidence

Guided self-help, physical activity, breathing exercises and smartphone programmes each show significant effects on anxiety symptoms in meta-analyses; for diagnosed anxiety disorders, therapist-delivered psychological treatment shows a large effect.