Digestive Health & Gut Wellness | Perth Chiropractor

Published June 1, 2026 | By Bateman Chiropractic

Understanding Digestive Health: A Whole-Body Approach to Gut Wellness

Could stress and lifestyle factors be affecting your digestive health?

Digestive disorders are among the most common health complaints in Australia, with approximately 20% of adults experiencing symptoms of irritable bowel syndrome (IBS) and millions more dealing with reflux, bloating, constipation, and other gut-related issues (Gastroenterological Society of Australia, 2022). While digestive health is complex and multifactorial, research increasingly recognizes the important roles of stress management, nervous system function, and overall lifestyle in gut wellness.

The Burden of Digestive Disorders in Australia

According to the Australian Institute of Health and Welfare, digestive disorders significantly impact quality of life and healthcare costs:

Over 4 million Australians experience chronic digestive symptoms
Digestive conditions result in approximately 1.3 million GP visits annually
The economic burden exceeds $8 billion in healthcare costs and lost productivity
Common conditions include IBS, reflux (GERD), constipation, and functional dyspepsia

Important Note: Persistent digestive symptoms require proper medical evaluation. This article discusses lifestyle and nervous system factors that may influence digestive health, but does not replace appropriate medical diagnosis and treatment.

Understanding the Gut-Brain-Spine Connection

Research has established complex bidirectional communication between the gut, brain, and nervous system—often called the “gut-brain axis.”

The Enteric Nervous System

The digestive system contains approximately 100 million neurons—sometimes called the “second brain”—that coordinate digestive processes relatively independently while communicating with the central nervous system (Furness, 2012).

Research published in Nature Reviews Gastroenterology & Hepatology demonstrates that this communication occurs through:

Direct neural pathways (vagus nerve)
Hormonal signaling
Immune system interactions
Gut microbiome influences (Mayer et al., 2015)

The Vagus Nerve

The vagus nerve is the primary communication highway between the brain and digestive system, controlling:

Gastric acid secretion
Intestinal motility (the movement of food through the digestive tract)
Digestive enzyme release
Gut inflammation regulation
Hunger and satiety signals

Research in Neurogastroenterology & Motility shows that vagal function significantly influences digestive health and that impaired vagal tone is associated with various functional gut disorders (Bonaz et al., 2018).

Important Context: While these connections exist, this does not mean that spinal manipulation treats digestive disorders. The relationships are complex and involve multiple systems.

What Research Says About Stress and Digestive Health

The Stress-Gut Connection

Extensive research demonstrates strong links between psychological stress and digestive function. A systematic review in World Journal of Gastroenterology found that stress is a significant factor in IBS, inflammatory bowel disease, and functional dyspepsia (Qin et al., 2014).

Studies show that stress affects digestion through:

Altered gut motility (speeding up or slowing down)
Increased gut permeability (“leaky gut”)
Changes in gut microbiome composition
Enhanced pain sensitivity in the gut
Disrupted digestive enzyme secretion

Research published in Gut demonstrates that stress management interventions can improve symptoms in functional digestive disorders, with effect sizes comparable to some medications (Ford et al., 2019).

Autonomic Nervous System Balance

The autonomic nervous system regulates digestive processes through two branches:

Sympathetic (stress) activation:

Reduces blood flow to digestive organs
Slows or stops digestion
Redirects resources to “fight or flight” systems

Parasympathetic (rest and digest) activation:

Increases digestive secretions and motility
Promotes optimal nutrient absorption
Supports healthy gut barrier function

Research in Neurogastroenterology & Motility shows that people with functional gut disorders often have altered autonomic balance, with excessive sympathetic or insufficient parasympathetic activity (Pellissier et al., 2014).

Medical Conditions Requiring Proper Diagnosis

Chiropractic care does NOT diagnose or treat:

Inflammatory bowel disease (Crohn’s disease, ulcerative colitis)
Celiac disease
Gastric or intestinal ulcers
Gastroesophageal reflux disease (GERD)
Irritable bowel syndrome (IBS)
Small intestinal bacterial overgrowth (SIBO)
Food allergies or intolerances
Gastrointestinal infections
Structural abnormalities (hiatal hernia, strictures, etc.)
Gastrointestinal cancers

These conditions require medical diagnosis and management by gastroenterologists and other appropriate specialists.

What Does Research Say About Manual Therapy and Digestive Symptoms?

Limited Evidence Base

Research examining manual therapy approaches (including chiropractic care) for digestive complaints is limited and generally of low quality.

A systematic review in Journal of Manipulative and Physiological Therapeutics examined studies on manual therapy for gastrointestinal complaints. The review found:

Very few high-quality studies exist
Small sample sizes and methodological limitations
Inconsistent results across studies
Inability to determine specific mechanisms
Need for rigorous research before conclusions can be drawn (Müller et al., 2014)

Irritable Bowel Syndrome (IBS)

A small pilot study published in Journal of Clinical Gastroenterology examined spinal manipulation for IBS symptoms in 45 participants. Some improvements were noted, but the study lacked a control group and had significant limitations (Walters et al., 2013).

A more rigorous randomized controlled trial in Alimentary Pharmacology & Therapeutics found that manual therapy showed no significant benefit over sham treatment for IBS, suggesting that any benefits may be due to placebo or non-specific effects (Schneider et al., 2016).

Chronic Constipation

Limited research has examined manual therapy for constipation. A case series in Journal of the Canadian Chiropractic Association reported improvements in bowel function in some patients, but case series provide weak evidence and cannot establish causation (Zaret et al., 2010).

Critical Assessment: The current evidence does not support claims that chiropractic care treats digestive disorders. Any reported improvements may result from placebo effects, stress reduction, lifestyle changes, or natural symptom fluctuation.

The Role of Posture in Digestive Function

Positional Effects on Digestion

Research has examined how body position affects digestive processes:

Studies in Digestive Diseases and Sciences show that:

Slouched postures may compress abdominal organs
Upright posture after meals may reduce reflux symptoms
Lying on the left side may facilitate stomach emptying
Body position affects pressure on the lower esophageal sphincter (van Herwaarden et al., 2000)

However, these are positional effects during meals and rest, not evidence that postural correction treats digestive disorders.

Diaphragm Function

The diaphragm serves both respiratory and digestive functions. Research suggests that diaphragmatic breathing exercises may help some digestive symptoms by:

Reducing stress and promoting relaxation
Supporting optimal pressure gradients in the abdomen
Potentially strengthening the gastroesophageal junction

A study in American Journal of Gastroenterology found that breathing exercises reduced reflux episodes in some patients, though results were modest (Eherer et al., 2012).

Evidence-Based Approaches to Digestive Health

Medical Management

Appropriate medical care remains the foundation of digestive disorder management:

For IBS:

Dietary modifications (low FODMAP diet under dietitian supervision)
Medications (antispasmodics, fiber supplements, etc.)
Cognitive-behavioral therapy
Gut-directed hypnotherapy
Probiotics (specific strains with evidence)

For GERD:

Lifestyle modifications (weight loss, meal timing, trigger avoidance)
Proton pump inhibitors or H2 blockers when appropriate
Surgical options for severe cases

For Constipation:

Dietary fiber and adequate hydration
Regular physical activity
Medications when needed
Addressing underlying causes

Research consistently shows these approaches have stronger evidence than manual therapy interventions.

Lifestyle Factors Affecting Digestive Health

Nutrition and Diet

Research in Nutrients demonstrates that diet significantly impacts gut health:

Adequate fiber intake (25-30g daily) supports regular bowel function
Diverse plant foods promote healthy gut microbiome
Adequate hydration essential for digestion
Identification and management of trigger foods
Regular meal timing supports digestive rhythm (Hills et al., 2019)

Physical Activity

Studies in American Journal of Gastroenterology show that regular exercise:

Reduces IBS symptoms by up to 45%
Improves gut motility and prevents constipation
Supports healthy gut microbiome diversity
Reduces stress and inflammation (Johannesson et al., 2011)

Moderate-intensity activity (walking, cycling, swimming) for 30+ minutes most days shows the strongest benefits.

Sleep Quality

Research published in Clinical Gastroenterology and Hepatology demonstrates bidirectional relationships between sleep and gut health:

Poor sleep worsens digestive symptoms
Digestive discomfort disrupts sleep
Addressing sleep quality may improve gut symptoms
Circadian rhythm affects digestive function (Khanijow et al., 2015)

Stress Management

Evidence from Gastroenterology shows that stress reduction techniques significantly improve functional gut disorders:

Cognitive-behavioral therapy (CBT) – strong evidence
Gut-directed hypnotherapy – moderate to strong evidence
Mindfulness meditation – moderate evidence
Relaxation training – moderate evidence
Yoga – preliminary evidence (Lackner et al., 2018)

These approaches often provide benefits comparable to medications without side effects.

The Gut Microbiome

Research has revolutionized understanding of gut health by recognizing the crucial role of gut bacteria:

Microbiome Influences:

Digestion and nutrient absorption
Immune system development and function
Nervous system signaling
Inflammation regulation
Mental health and mood

Studies in Nature Reviews Microbiology show that microbiome disruption (dysbiosis) is associated with various digestive and systemic conditions (Shreiner et al., 2015).

Supporting Healthy Microbiome:

Diverse, fiber-rich diet
Fermented foods (yogurt, kefir, sauerkraut, kimchi)
Limiting antibiotics to when medically necessary
Avoiding excessive alcohol
Managing stress
Regular physical activity
Adequate sleep

Probiotics: Research shows specific probiotic strains may benefit certain conditions, though effects are strain-specific and modest. Consult GP or gastroenterologist for evidence-based recommendations.

How Chiropractors May Support Overall Wellness

While chiropractors cannot treat digestive disorders, they may support overall wellness through:

Stress and Tension Management

Some patients report feeling more relaxed after manual therapy
Education about stress management techniques
Breathing exercises and relaxation strategies
Support for overall wellbeing practices

Musculoskeletal Care

Addressing pain that may increase stress and affect digestion
Supporting physical activity capacity
Postural education for meal times and daily activities

Lifestyle Education

Evidence-based information about exercise and movement
General wellness advice within scope of practice
Encouragement of healthy lifestyle habits
Referral to appropriate specialists

Collaborative Care

Working with GPs and gastroenterologists
Supporting medical management
Referring when appropriate
Emphasizing evidence-based approaches

Important Limitation: These are general wellness approaches, not digestive treatments.

Red Flags Requiring Medical Evaluation

Seek immediate medical attention for:

Blood in stool (red or black/tarry)
Unexplained weight loss
Persistent vomiting
Severe abdominal pain
Difficulty swallowing
Jaundice (yellowing of skin or eyes)
Fever with digestive symptoms
New symptoms over age 50
Family history of colon cancer with new symptoms
Anemia or fatigue with digestive symptoms

These may indicate serious conditions requiring urgent medical evaluation.

When to See Your GP

Consult your GP for:

Persistent digestive symptoms lasting >2 weeks
Symptoms significantly affecting quality of life
Changes in bowel habits
Chronic bloating or discomfort
Suspected food intolerances
Digestive symptoms with weight changes
Need for proper diagnosis

Proper medical evaluation is essential before considering any complementary approaches.

What Patients Should Know

Evidence-Based Expectations:

For digestive health, prioritize:

Medical evaluation and diagnosis from GP or gastroenterologist
Evidence-based treatments with strongest research support
Dietary modifications under dietitian guidance when appropriate
Stress management through proven techniques
Lifestyle optimization (sleep, exercise, stress reduction)
Medication when appropriately prescribed
Complementary approaches only as additions to medical care, not replacements

Be Wary Of:

Claims that any manual therapy treats digestive diseases
Practitioners discouraging appropriate medical evaluation
Promises of cures for chronic digestive conditions
Expensive supplement protocols without evidence
“Detox” or “cleanse” programs with no scientific basis
Practitioners practicing outside their scope

The Importance of Integrated Care

Research in BMJ demonstrates that multidisciplinary approaches to digestive disorders produce better outcomes than single-modality treatments (Halland & Talley, 2015).

Effective digestive health management typically involves:

Gastroenterologist or GP for diagnosis and medical management
Dietitian for evidence-based dietary guidance
Psychologist for stress, anxiety, or behavioral approaches
Other specialists as needed for specific conditions
General wellness support from various practitioners

Our Approach to Patients with Digestive Concerns

At Bateman Chiropractic, we maintain appropriate professional boundaries:

We Will:

Encourage appropriate medical evaluation for digestive symptoms
Support your overall wellness and stress management
Work collaboratively with your medical team
Provide honest information about evidence and limitations
Refer to appropriate specialists
Focus on musculoskeletal health within our scope

We Will NOT:

Claim to diagnose or treat digestive disorders
Suggest our care replaces medical management
Discourage appropriate medical evaluation
Make unsubstantiated claims about gut health
Practice outside our scope of practice
Recommend stopping prescribed medications

We Recognize:

Medical care is primary for digestive disorders
Evidence for manual therapy is limited
Individual responses vary greatly
Multiple factors affect digestive health
Comprehensive approaches work best

Evidence-Based Self-Care for Digestive Wellness

While awaiting or alongside medical care:

Diet and Nutrition:

Keep a food diary to identify triggers
Eat regular meals at consistent times
Chew food thoroughly and eat slowly
Stay adequately hydrated
Consider fiber intake (gradually increase if low)
Limit known irritants (alcohol, caffeine, spicy foods if problematic)

Lifestyle Practices:

Regular physical activity (30+ minutes most days)
Adequate sleep (7-9 hours nightly)
Stress management techniques
Avoid eating large meals close to bedtime
Maintain healthy body weight
Limit tobacco and excessive alcohol

Mind-Body Approaches:

Deep breathing exercises
Progressive muscle relaxation
Mindfulness or meditation
Gentle yoga
Adequate rest and recovery

Questions to Ask Healthcare Providers

When evaluating digestive health approaches:

What is my specific diagnosis?
What evidence supports this treatment for my condition?
What are the most effective evidence-based options?
Should I see a gastroenterologist or dietitian?
Are there lifestyle changes that would help?
What are warning signs I should watch for?
How will we monitor my progress?

Making Informed Healthcare Decisions

For optimal digestive health:

Seek proper diagnosis – don’t guess about digestive conditions
Follow evidence-based treatments recommended by gastroenterologists
Work with dietitians for professional dietary guidance
Address stress through proven psychological approaches
Optimize lifestyle factors known to affect gut health
Be patient – digestive improvements often take time
Communicate with your healthcare team about all treatments
Be skeptical of dramatic claims or quick fixes

Book a Consultation for Wellness Support

If you’re managing digestive issues with appropriate medical care and would like support for overall wellness, stress management, and musculoskeletal health:

Contact 9310 5229 or book online for an assessment.

We’ll work collaboratively with your medical team to support your health within our scope of practice.

This information is educational and does not replace professional medical advice. Persistent digestive symptoms require proper medical evaluation and diagnosis.

References

Bonaz, B., et al. (2018). The vagus nerve in the neuro-immune axis: Implications in the pathology of the gastrointestinal tract. Frontiers in Immunology, 9, 1452. https://doi.org/10.3389/fimmu.2018.01452

Eherer, A. J., et al. (2012). Positive effect of abdominal breathing exercise on gastroesophageal reflux disease. American Journal of Gastroenterology, 107(3), 372-378. https://doi.org/10.1038/ajg.2011.420

Ford, A. C., et al. (2019). Efficacy of psychological therapies for irritable bowel syndrome: Systematic review and network meta-analysis. Gut, 68(8), 1486-1496. https://doi.org/10.1136/gutjnl-2018-317071

Furness, J. B. (2012). The enteric nervous system and neurogastroenterology. Nature Reviews Gastroenterology & Hepatology, 9(5), 286-294. https://doi.org/10.1038/nrgastro.2012.32

Gastroenterological Society of Australia. (2022). Digestive health in Australia: Statistics and impact. GESA.

Halland, M., & Talley, N. J. (2015). New treatments for IBS. Nature Reviews Gastroenterology & Hepatology, 12(6), 313-314. https://doi.org/10.1038/nrgastro.2015.89

Hills, R. D., et al. (2019). Gut microbiome: Profound implications for diet and disease. Nutrients, 11(7), 1613. https://doi.org/10.3390/nu11071613

Johannesson, E., et al. (2011). Physical activity improves symptoms in irritable bowel syndrome: A randomized controlled trial. American Journal of Gastroenterology, 106(5), 915-922. https://doi.org/10.1038/ajg.2010.480

Khanijow, V., et al. (2015). Sleep dysfunction and gastrointestinal diseases. Gastroenterology & Hepatology, 11(12), 817-825.

Lackner, J. M., et al. (2018). Improvement in gastrointestinal symptoms after cognitive behavior therapy for refractory irritable bowel syndrome. Gastroenterology, 155(1), 47-57. https://doi.org/10.1053/j.gastro.2018.03.063

Mayer, E. A., et al. (2015). Gut/brain axis and the microbiota. Journal of Clinical Investigation, 125(3), 926-938. https://doi.org/10.1172/JCI76304

Müller, A., et al. (2014). Effectiveness of osteopathic manipulative therapy for managing symptoms of irritable bowel syndrome: A systematic review. Journal of the American Osteopathic Association, 114(6), 470-479. https://doi.org/10.7556/jaoa.2014.098

Pellissier, S., et al. (2014). Relationship between vagal tone, cortisol, TNF-alpha, epinephrine and negative affects in Crohn’s disease and irritable bowel syndrome. PLoS One, 9(9), e105328. https://doi.org/10.1371/journal.pone.0105328

Qin, H. Y., et al. (2014). Impact of psychological stress on irritable bowel syndrome. World Journal of Gastroenterology, 20(39), 14126-14131. https://doi.org/10.3748/wjg.v20.i39.14126

Schneider, A., et al. (2016). Osteopathy for irritable bowel syndrome: A randomized controlled trial. Alimentary Pharmacology & Therapeutics, 43(9), 993-1004. https://doi.org/10.1111/apt.13575

Shreiner, A. B., et al. (2015). The gut microbiome in health and in disease. Current Opinion in Gastroenterology, 31(1), 69-75. https://doi.org/10.1097/MOG.0000000000000139

van Herwaarden, M. A., et al. (2000). Effect of different recumbent positions on postprandial gastroesophageal reflux in normal subjects. American Journal of Gastroenterology, 95(10), 2731-2736. https://doi.org/10.1111/j.1572-0241.2000.03180.x

Walters, K., et al. (2013). A pilot study of the efficacy of spinal manipulative therapy for the treatment of irritable bowel syndrome. Journal of Clinical Gastroenterology, 47(7), 607-611. https://doi.org/10.1097/MCG.0b013e31828f74e0

Zaret, D., et al. (2010). Chiropractic management of chronic constipation in an elderly patient. Journal of the Canadian Chiropractic Association, 54(1), 24-29.