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Peer-Reviewed Evidence

The Science Behind Clinical Hypnosis

Explore 33 peer-reviewed studies from leading medical journals demonstrating the effectiveness of hypnotherapy.

45+
Years of Research
33
Studies Cited
5,000+
Participants
42%
Avg Pain Reduction

Pain Reduction

10 studies

10 peer-reviewed studies proving hypnosis reduces pain

42%
Pain Reduction
Thompson et al. (2019)

Meta-analysis of 85 studies

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13
Trials Reviewed
Elkins et al. (2007)

Systematic review of controlled trials

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60%
Response Rate
Jensen & Patterson (2014)

American Psychologist review

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82→46
Pain Score
Brugnoli et al. (2018)

100 chronic pain patients

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↓
Opioid Use
Rosenbloom et al. (2024)

92 surgery patients

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35%
vs 2% PT
Haanen et al. (1991)

Fibromyalgia comparison

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97
Patients
Aravena et al. (2020)

Self-hypnosis recordings

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30
Burn Patients
Patterson et al. (1992)

Wound debridement pain

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15min
Intervention
Zeng et al. (2022)

Pre-surgery hypnosis

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6mo
Benefits Last
Ogez et al. (2024)

Self-hypnosis program

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Stress & Anxiety

10 studies

10 studies showing 84% better outcomes than control groups

84%
Better Than Control
Valentine et al. (2019)

Meta-analysis of 15 studies

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↓HR
Calms Nervous System
Leo et al. (2024)

Anxiety & cardiovascular health

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261
Studies Reviewed
Rosendahl et al. (2024)

Umbrella review of 49 meta-analyses

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33→17
Anxiety Score
Brugnoli et al. (2018)

Cancer patients over 2 years

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15min
ICU Intervention
Schmidt et al. (2021)

Ventilated patients

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24%
vs 3% Control
Anlló et al. (2020)

COPD patients breathing better

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70%
CBT Enhancement
Kirsch et al. (1995)

Hypnosis + CBT meta-analysis

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PTSD
Combat Veterans
Abramowitz et al. (2008)

Trauma symptom reduction

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Trauma
Safe Processing
Spiegel (1990)

PTSD clinical review

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$
Cost Effective
Montgomery et al. (2007)

200 breast cancer patients

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Gut Health & IBS

10 studies

10 studies showing 76% of patients improve significantly

76%
IBS Improvement
Systematic Review (2019)

8 RCTs with 464 patients

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=
Equals FODMAP
Peters et al. (2016)

Hypnotherapy vs low FODMAP diet

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1yr+
Lasting Results
Lindfors et al. (2012)

138 refractory IBS patients

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5
Sessions Only
Roberts et al. (2006)

Primary care RCT

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73%
Response Rate
Whorwell Protocol (1984)

Manchester pioneering work

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244
Patients
Nerva App (2024)

Digital hypnotherapy RCT

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+78d
Remission Extended
Keefer et al. (2013)

Ulcerative colitis study

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100
Children Studied
Browne et al. (2019)

Pediatric chronic nausea

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↑
Faster Emptying
Nature Review (2006)

Functional dyspepsia

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94%
Response Rate
Healthline Review (2018)

Major hospital overview

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Sleep & Insomnia

3 studies

Up to 80% increase in deep restorative sleep

80%
More Deep Sleep
Cordi et al. (2014)

Slow-wave sleep enhancement

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Chronic
Insomnia Relief
Lam et al. (2018)

CBT-hypnotherapy combo

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Multi
Sleep Dimensions
Chamine et al. (2020)

Systematic review

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