What if your mouth was the missing link in your overall health?

In this episode, dentist James Goolnik shares why oral health is about far more than brushing, flossing, and fillings and how the mouth acts as a powerful gateway to the gut, brain, sleep, and long-term wellbeing. Drawing on over 25 years of clinical experience, James explains how modern dentistry is shifting from “drill and fill” to a truly functional, whole-body approach.

We explore the oral microbiome, bleeding gums, snoring and sleep apnoea, tooth grinding, nutrition, blood sugar, stress, and why many chronic health issues may start in the mouth. James also breaks down practical, evidence-based tools you can use right away from tongue scraping and mouth taping to smarter brushing, sleep tracking, and personalised dental care.

This conversation connects dentistry, functional medicine, and lifestyle medicine in a way that will completely change how you think about your teeth and your health.

In this episode, we cover:

Why the mouth is the gateway to the gut and brain

The oral microbiome and chronic inflammation

Bleeding gums, “leaky gums,” and systemic disease

Sleep, snoring, sleep apnoea, and dental solutions

Tooth grinding, stress, and nutrient deficiencies

Sugar, snacking, blood glucose, and dental health

Why mouthwash may be doing more harm than good

Simple daily habits to protect your teeth for life

Whether you’re interested in gut health, longevity, functional medicine, or preventative care, this episode will give you a completely new perspective on oral health and why it matters far beyond your smile.

You can find James on Instagram @jamesgoolnik and as always, Julia is @juliadavies_nutrition.

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This week, Julia sits down with Katie Ward, Managing Director at Microbz, to explore how soil microbes could be the missing link between planetary and human health. 

From the hidden effects of glyphosate to how reconnecting with nature can restore both soil and gut ecosystems, this episode dives deep into the biology of balance and the microbes that heal us from the ground up.

01:00 – Katie shares how Microbz began and the link between soil microbes and human health

02:21 – The shocking truth about what pesticides do to soil life

05:05 – Julia explains how glyphosate disrupts our microbiome and protein synthesis

07:01 – Why rebuilding soil biodiversity could be the key to reversing chronic disease

13:00 – The cost of modern food systems & why nutrient density matters more than ever

20:00 – Grounding, gardening & reconnecting with the soil: nature’s immune therapy

23:00 – Katie’s personal story: using microbes to heal her daughter’s gut health

35:00 – Inside the Microbz fermentation process: how living cultures are brewed like nature intended

40:00 – Julia & Katie on microbial balance and why 80% of microbes are “swing voters”

55:00 – Their shared vision: restoring soil, restoring health

Try Microbz with 20% off and a free shot glass here: https://microbz.co.uk/products/revive-starter-kit

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Functional medicine practitioner Julia Davies sits down with nutritional therapist Muriel Wallace-Scott to unpack how the immune system really works, reveal the hidden triggers behind rising autoimmune conditions, and share practical strategies to calm inflammation and support lasting health.

00:39 Muriel’s Journey

02:43 Examples of Autoimmune Conditions

03:45 Hashimoto’s Disease

04:56 Anti-TPO and Anti-TG Tests

05:39 The Role Of The Autoimmune System

07:25 The Hygiene Hypothesis

10:08 How Screens and Snacks Are Gutting Your Immune System

11:23 How Dirt and Dogs Supercharge Your Microbiome

12:38 Intestinal Permeability & Bodily Barriers

15:56 Environmental Triggers

18:38 UTIs & Dysbiosis

19:34 How Does The Body’s Autoimmune Response Work?

21:33 Vitamin D Deficiency

24:32 You Can’t Out-Supplement Unhealthy Habits

25:50 Can The Body Really Heal Itself?

28:10 Caller 1 - Is Glutathione Helpful For Crohn’s Disease?

34:22 Caller 2 - Ever Since My Root Canal, I’ve Felt Awful

43:06 Autoimmune Clinic Consultation Overview

45:21 Muriel's Approach To Testing

46:19 Test Results: Save Copies

47:36 No-Cost Tips for Managing Autoimmune

50:38 Stress, Sleep & Blood Sugar

52:42 Small Habits, Massive Impact

53:31 Are Supplements Truly Essential?

55:02 Some Key Nutrients

57:23 Record Your Timeline

58:50 Track Your Symptoms

01:00:10 Why Protecting Your Nervous System Matters

Follow Julia: ⁠⁠⁠⁠@juliadavies_nutrition⁠⁠⁠ ⁠

Follow Dr Seb: ⁠⁠⁠@autoimmune.clinic 

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Functional medicine practitioner Julia Davies chats with biological dentist Dr. Seb Lomas about the oral microbiome, the fluoride vs. hydroxyapatite debate, and how oral health can shape your gut health - and beyond. Discover the surprising ways your mouth impacts your whole body.

In this episode:

00:00 Intro

01:07 What Is Biological Dentistry?

02:47 Putting Patients First

05:46 The Mouth-Body Connection

11:00 Can Adults Restore Their Oral Health?

12:56 Fascia: Tongue Tied To The Body

17:49 Why Are We Seeing So Many Tongue Ties?

18:39 Your Body Is Designed To Recover

20:21 Dr Seb’s Journey

23:54 What You Really Need To Know About Nutrition

25:55 Minerals, Electrolytes & Unfiltered Water

27:41 Can The Oral Microbiome Be Tested?

35:25 Why Dr Seb Uses Gutology Toothpaste

36:20 What Mouth Breathing Does to Your Saliva

38:54 Recognising The Signs Of Mouth Breathing

40:44 What Is Hydroxyapatite?

41:43 Hydroxyapatite vs. Fluoride

43:22 The Truth About Natural Toothpastes

43:57 How Much Hydroxyapatite Is Clinically Effective?

45:04 Is Your Mouthwash Disrupting Your Oral Microbiome?

47:08 Daily Habits To Improve Oral Health

49:30 Coconut Oil Pulling

51:33 Nighttime Oral Routine

Follow Julia: ⁠⁠⁠@juliadavies_nutrition⁠⁠ ⁠

Follow Dr Seb: ⁠⁠@biological_dentist

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Julia Davies is joined by nutritional therapist Vivien Allred to explore the fascinating connection between your gut and your hormones – and how the environment around you could be silently shaping your hormonal health.

00:00 Vivien’s Personal Health Journey

18:44 Healing From Trauma: You CAN Get Better

21:10 Why The Nervous System Matters

23:43 The Hidden Downsides of the Contraceptive Pill

25:51 How the Pill Impacts Your Gut Microbiome

29:45 Listener Call: Real-Life Gut-Hormone Story

34:46 Understanding the Cell Danger Response

36:48 Why Circadian Rhythms Are Key to Hormonal Health

39:13 A Functional Detox Protocol for Mould Exposure

41:16 The Link Between Histamine and Oestrogen

49:15 Mould’s Surprising Impact on the Gallbladder

51:08 The Visual Sensory Contrast Test

53:31 What Are MARCoNS?

55:05 The Gut-Hormone Connection Explained

01:00:45 How Environmental Disruptors Affect Your Hormones

01:06:12 Mindset Shifts That Support Hormonal Balance

01:14:58 Periods 101: Understanding the Phases of Your Cycle

01:20:31 Final Thoughts & Practical Tips You Can Start Today

Follow Julia: ⁠⁠@juliadavies_nutrition⁠⁠ 

Follow Vivien: ⁠@vivanaturalhealth

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Julia Davies is joined by gut health nutritionist Hannah Richards to explore the fascinating connection between your gut and your brain – and how the nervous system plays a crucial role in how your gut functions. From anxiety and stress to acid reflux and bloating, they unpack why your emotional health might be showing up in your digestion – and what you can do about it.

In this episode:

00:00 What Is The Gut-Brain Axis?

06:13 Getting To The Root Cause

10:17 Elimination Diets

14:45 Acid Reflux & Regulating The Nervous System

20:41 Hannah's Story - The Best Possible You

24:39 Parasites

28:45 Caller 1 - IBS & GERD

41:25 Caller 2 - Diarrhoea & Cognitive Issues

47:57 Caller 3 - Bloating & Reflux

54:57 Conclusion & Top Tips

Follow Julia: ⁠@juliadavies_nutrition⁠ 

Follow Hannah: @thegutclinic

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In this episode, Julia Davies is joined by nutritional therapist and psoriasis expert Emma Gould to explore the powerful connection between gut health and skin conditions - including real stories from people who’ve lived with psoriasis firsthand.

In this episode:

00:00 Emma's Experience With Psoriasis

04:43 What Is Psoriasis?

05:35 Autoimmunity

08:55 The Gut-Skin Connection

15:11 Cortisol & The Parasympathetic Nervous System

19:47 Caller 1 - Light Therapy & Epsom Salts

31:57 Caller 2 - Adaptogens

46:11 Caller 3 - Restrictive Diets & Histamine Overload

58:37 Conclusion & Top Tips

Follow Julia: @juliadavies_nutrition

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Clinical Nutritional Therapist Robyn Puglia specialises in the field of coeliac disease, gluten-reactive disorders and autoimmune disease. Her deep enthusiasm for the realms of functional medicine inspired her to establish her own lifestyle intervention clinic, where she helps patients harness the nourishing potential of food to support their bodies on their healing journey.

Find out more about Robyn here: https://robynpuglia.com/about/

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In this week's episode, we sit down with consultant dietitian, Sophie Medlin. Sophie began her career specialising in gastrointestinal diseases before moving into academia and delivering lectures at Plymouth University and King’s College London. She now runs her clinic practice City Dietitians in London, designs vitamins and probiotics and has worked on the Channel 4 gut health series, Know Your Sh**.

Find out more about Sophie here: https://www.citydietitians.co.uk/team/sophie-medlin

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Dr Sean Gibbons is an associate professor at The Institute for Systems Biology, specialising in how microbial communities in the gut evolve and adapt to individuals over their lifespans.

Find out more about Sean here: https://isbscience.org/bio/sean-gibbons/

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References:

https://doi.org/10.1128/mSystems.00964-21

https://www.washingtonpost.com/wellness/2023/06/13/weight-loss-calories-fiber-microbiome/

https://rdcu.be/cfslJ

https://www.nytimes.com/2021/03/18/well/eat/microbiome-aging.html

https://rdcu.be/cZpgI

https://doi.org/10.1093/advances/nmac075

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