A 2026 umbrella review pooled 81 meta-analyses covering 1,079 component studies and 79,551 participants. Across the included randomized evidence, exercise reduced depression symptoms by a standardised mean difference of −0.61 and anxiety symptoms by −0.47.
The direction is convincing: exercise can help. The size is an average across different populations, programmes and comparators—not a promise that one plan will produce the same response for every person.
What type appears useful?
The 2026 review found the largest pooled effects for aerobic exercise. Group and supervised settings were associated with larger reductions in depression, while shorter and lower-intensity formats were associated with stronger anxiety reductions. A separate 2025 meta-analysis in adults diagnosed with depression or anxiety found benefits from aerobic, resistance and mixed programmes.
Why adherence beats optimisation
The best theoretical programme is useless if symptoms, cost, transport, pain or social anxiety make it impossible to repeat. Walking, resistance training, cycling and supervised group sessions can all be valid starting points. The choice should reduce barriers rather than become another standard a struggling person can “fail.”
What exercise cannot replace
Exercise is not a universal substitute for psychotherapy, medication, diagnosis or urgent care. It can sit beside them. Anyone with persistent or worsening symptoms should speak with a qualified health professional; medication changes should never be made from a fitness article.
References
- Effect of exercise on depression and anxiety symptoms: systematic umbrella review with meta-meta-analysis. PubMed 41667154.
- Banyard H et al. Effects of aerobic and resistance exercise on depression and anxiety: systematic review with meta-analysis. PubMed 40432290.
- Solmi M et al. Exercise as a transdiagnostic intervention for improving mental health: umbrella review. PubMed 40043589.