Evidence-Based Acupuncture for Stress

What we can say with confidence

Acupuncture reliably produces a relaxation response in the treatment room, and several trials link it to reduced markers of physiological stress. Animal and human studies suggest it can dampen the hypothalamic-pituitary-adrenal (HPA) axis — the system that drives cortisol release. What is less certain is how much of the benefit is specific to needling versus the calm, unhurried context of a session.

What the meta-analyses actually show

Pooled trial data is more informative than any single study. A 2024 meta-analysis of 12 randomised controlled trials of auriculotherapy (ear-based acupuncture and acupressure) for stress found it significantly outperformed control groups on subjective stress scores, blood pressure, pulse rate and heart rate variability — a physiological marker of parasympathetic, "rest and digest" activity (Choi & Kim, Biological Research for Nursing, 2024). That review also found acupressure alone trended toward larger effects than needling, a useful reminder that touch and expectation are doing real work alongside — or instead of — the needle itself. Reviews focused specifically on generalised anxiety disorder have similarly found acupuncture outperforming inactive controls, though effect sizes vary considerably by review and study quality.

Reading the studies critically

• Look for randomised controlled trials with a credible "sham" comparison, not just before-and-after surveys.
• Check whether improvements last beyond the treatment weeks.
• Prefer pooled findings from systematic reviews on the PubMed database over single small studies.

Making a sensible decision

Because side effects are minimal with a well-trained, registered practitioner, a trial course is low-risk for most healthy adults. Track your sleep, tension and mood over four to six sessions and decide from your own data — the same evidence-first approach applies if you're weighing acupuncture for a related complaint, such as systemic inflammation, hormonal changes such as menopause symptoms, or for a musculoskeletal one, such as our honest comparisons of shockwave vs acupuncture for tennis elbow and for plantar fasciitis. Pair it with the basics the Mental Health Foundation recommends — movement, sleep and social connection — rather than expecting needles to do all the work.