Grade B
Meta analysis
Featured
Exercise and Depression: Dose-Response Meta-Analysis
Meta-analysis examining the dose-response relationship between physical activity and depression symptoms across 218 randomized trials.
Published 2024
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DOI: 10.1136/bjsports-2024-108543
[STUDY DETAILS]
- Study Type
- Meta analysis
- Quality Grade
- B
- Publication Year
- 2024
- Category
- Mental Health & Cognition
Summary
Analysis of 218 RCTs (n=14,170) found exercise reduces depression symptoms with effect sizes comparable to psychotherapy and medication. 150 min/week showed optimal benefits.
Key Findings
1. Effect size comparable to SSRIs (SMD -0.62)
2. 150 min/week optimal dose
3. Both aerobic and resistance effective
4. Benefits persist 6+ months post-intervention