Presentation, Talks, Workshops, Conferences of Dr. Retzek

Last updated September 2025

Conference Speakers

This list is in descending order of date

• II. International Conference for SOZO-Neuromodulation, Vienna, December 4-5, 2025 – Lecture “New Cases for Neuromodulation”
• QS24 – YouTube Channel – Recordings for 7 planned presentations – September 22, 2025
• KOS / Greece – Congress for Integrative Medicine Lecture “Cases in Neuromodulation” September 9-12. May 2025
• TSMST 3rd International Turkish National Medical Shock Wave Therapy Association Symposium Istanbul April 11-12, 2025 – Lecture “Cases in Neuromodulation“
• 1st International Conference on SOZO Neuromodulation, Vienna December 14-15, 2024 Lecture “Cases in Neuromodulation“
• Lecture “Cases in Neuromodulation” during the SOZO – Training with Dr. Petros Kattou, September 27-28, 2024, Rheinfelden, Switzerland
• Lecture on “Cases in Neuromodulation” August 24-25, 2024 – in the office of Dr. Simon Yu in St. Louis as part of the AMA / SOZO training
• IGMEDT Conference June 14-16, 2024 in Vienna, 2 lectures: LDN, Propranolol and Earthing in Oncology | also on Chemoresistance Blockers as Adjuncts and Enhancers to Chemotherapy
• Interview with Dr. Simon Yu in Berlin with Dr. Rolf Jansen-Rosseck, June 18-19. December 2023 – recorded for YouTube channel
• Zurs Medical Conference for Aviation Medicine, 14-17. December 2023, two separate lectures: (1) Parasites and (2) Brain Stimulation, each 1 hour (3 days)
• IGMEDT 2023 – Self-presentation “SENOLYSE” 
• Lecture at the University Hospital Linz on pSTIM and DUCEST, Department of Anesthesiology – September 4th. 23
• Lecture at the IGMEDT Conference, Europahaus Vienna, March 6-8 – New oncological options in small-scale practice, e.g., IPT, repurposed drugs, and metronomic chemotherapy.
• Medical Week in Baden-Baden, October 30-November 3, 2019, 3 lectures
  • Biophoton mirror technology in the doctor’s office. Clinical Experiences in Type 1 and 2 Diabetes, Multiple Sclerosis, and Other Diseases (together with Dr. Jürgen Aschoff, Wuppertal)
  • The Importance of Parasites in Chronic Diseases: Diagnostics and Therapy
  • Best Cases
• Bad Aiblinger Gespräche, St. Georg Clinic: Lecture on “Biological Natural Substances in Cancer Therapy,” St. Georg Clinic, September 13-14, 2019
• Speaker at the London IAOMT Annual Conference “The Missing Link in Functional Medicine,” June 22-23, 2019, together with Lenna & Simon Yu & Atel Hemat & Renzo Celani
• IGMEDT 2019 – Conference of the International Society for Holistic Medicine 1-3. March 2019 Participation and own lecture with the following contributions: – Detox – Importance and Implementation
  – Testing using RAC / Polarizing Filter
  – Workshop on RAC / Polarizing Filter
• Bad Aibling Talks, St. Georg Clinic (Dr. Friedrich Douwes): Lecture “Parasites, Underestimated Danger and Contribution to Cancer Therapy”, Bad Aibling, September 14, 2018
• Lecture at St. Georg Clinic – “Vitamin D Receptor and Its Significance for Cancer Therapy” June 28, 2017 (L)
• Lecture WIOSNA ZDROWIA – Katowice / Poland – 1-2. April 2017
• 50th Medical Week in Baden-Baden, October 28-November 1, 2016. Participation in the 5-day training courses with 3 presentations within the framework of the DGO and the DGO advanced training course: 1) VitD and VitD receptor blockade 2) Acidosis 3) Low Dose Naltrexone
• Bad Aiblinger Days, September 23-24, 2016, three presentations: 1) Cancer: Causes and Options 2) Healing Grounding against Cancer and EMF 3) Stress and Emotions as Causes and Promoters of Cancer
• IGMEDT Autumn Conference, Vienna, 16-18. September 2016: Vitamin D and Vitamin D Receptor: New Information on a Seemingly Well-Known Molecule
• 2nd German-Polish Congress for Integrative Tumor Therapy: April 22-23, Frankfurt: Homeopathy in Oncology
• IGGMED Spring Congress 2016: April 30, 2016, Vienna: BET (Bio Electrical Tumor Therapy / Galvanotherapy / ECT) a therapeutic option in the treatment of malignant tumors (–> Page IGMEDT)
• Baden Baden Medical Week: October 30, 2015: Use of lemon flavonoids in adjuvant Oncology
• Baden-Baden Medical Week: October 30, 2015: Intratumoral Use of Rose Bengal
• Forum Via Sanitas (Trend Forum): October 10, 2015 Salzburg: Workshop with Walter Surböck: Metabolic Syndrome
• Bad Aiblinger Days: September 19, 2015: Use of Lemon Flavonoids in Adjuvant Oncology
• IGMEDT 2015 – April 30 – May 3 Salzburg / Mozarteum: Two Lectures (–> Page IGMEDT)
  • MACULAR DEGENERATION – OPTIONS THROUGH SPECIAL ACUAPUPUNCTURE 
  • HEALING GROUNDING: A NEW POSSIBLE FOR CHRONIC ILLNESSES
• Vitamin C – Symposium, March 7, 2015: 3-hour lecture: “Ascorbic Acid in Adjuvant Oncology: Use, Possibilities, and Limitations”
• Forum Via Sanitas (Trend Forum): October 10-12, 2014 Salzburg Holistic Medicine Dialogue: What Impressed Us
• Emil Schlegel Clinic / Rottenburg am Nekar: July 5, 2014:  “Cancer & Burnout: A Common Cause“
• Paracelsus Clinic, St. Gallen May 2014: “Lemon Flavonoids as a Universal Healing Principle”
• IGMEDT 2014 – April 10-13, 2014: Salzburg / Mozarteum | 3 Lectures  (–> Page IGMEDT)
  • “Allergy Mesotherapy – Fast and Effective Homeopathic Hay Fever Treatment “
  • “Healing Earthing, an Interesting New Therapeutic Option in Integrative Practice“
  • “Lemon Flavonoids in the Therapy of Malignant Tumors“
• IGMEDT 2013 – April 19-21, 2013: Anif / Salzburg | 3 Lectures  (–> Page IGMEDT)
  • “Banerji: Homeopathy and Science in Oncology”
  • Studies on acidosis as a central factor in tumor initiation, progression, and metastasis
• IGMEDT 2012: Anif Anif May 2-5, 2012: Homeopathy in Oncology (–> Page IGMEDT)
• IGMEDT 2011 – April 2, 2011: Kleßheim / Salzburg | Keynote speech at the Congress of the Austrian Society for Oncology: Homeopathy as an option in adjuvant Cancer Therapy (–> page IGMEDT)
• GAMED Papimi Symposium – November 26, 2011: Vienna – Papimi Ion Induction in Cancer Therapy
• Merano Congress for International Complementary Oncology: September 11, 2008: “Homeopathic Oncology” –> see Abstract of the lecture
• Braunau Hospital – May 3, 1998 Homeopathy, Possibilities & Limitations

Lectures and Seminars for Homeopaths
October 30 – November 1, 2015

Ottobrunn / Munich: HK-live Congress

• Lecture “Adjuvants in Homeopathy”
• Workshop “Adjuvants in Homeopathy”

January 29 – February 1, 2015
Liestal near Basel: Seminar on Cancer Treatment with Homeopathy and More: Roland Methner, Heli Retzek | Adjuvants in Cancer Treatment: 7 pm lecture within this event. See own page Basel 2015

February 6-8, 2014 Ramstein: Saar-Palatinate Homeopathy Days (Roland Methner, Holger Malchow, Heli Retzek) | Adjuvants in CancerTreatment: A total of 9 hours of lectures within this event. See Ramstein

September 21, 2013 Gauting: Aids and Obstacles to Healing in Homeopathy | Adjuvants in Homeopathy: see Tender Text

October 2006 Gauting: Breast Cancer Symposium (Tjado Galic, Roland Methner, Jens Wurster, Helmut Osegge) | Adjuvants in Cancer Treatment: 1-hour keynote speech as part of the symposium

March 2006 Munich: Hospital for Natural Healing, Harlaching – Munich | Treatment of Severe Pathologies and Cancer. One-day seminar for 70 colleagues

October 22, 2005 Freiburg: Freiburg Homeopathy Days (together with Mohinder Singh Jus, Jürgen Becker, Heribert Möllinger) | “Miasmatics” – Theory and Practice of Miasmatic Homeopathy – Treatment of Severe Pathologies. Half-day seminar for 100 colleagues

June 18, 2005 Witten Homeopathy Days | Cancer in Homeopathy – Possibilities and Limitations, Additional Therapies, etc. – 1-day seminar for 120 colleagues

June 11-12, 2005: BERLIN: Berlin Interactive Seminars organized by Norma Gäbler (together with Tjado Galic) | Cancer in Homeopathy – Possibilities and Limitations, Additional Therapies, etc., 1-day seminar for 60 colleagues

June 4-5, 2005: MEISSEN: Hahnemann Center Meissen | Severe Pathologies and Their Treatment in Homeopathic Practice, 3-day workshop for 15 colleagues

June 3 October 2004: GAUTING Gauting Homeopathy Days 2004 (together with Dr. Christian Keller, Dr. Uwe Friedrich, Roland Methner) | Cancer in Homeopathy – Possibilities and Limitations, Additional Therapies, etc. – Half-day cancer seminar for 100 colleagues in Gauting

May 24-25, 2003 – Erding – Lecture to an audience of international homeopathy teachers at the CSP TEACHERS MEETING (Archibel/Radar). 1-hour lecture to 150 “Teachers in Homeopathy” | Use of Computers in Homeopathy: The Grace of the 10-Finger System | My Dream Screen in the Rep Program

Lectures to Laypeople & Self-help groups

• August 2, 1997 Alcoholics Anonymous Club Complementary therapy for alcoholism
• April 21, 1998 Parents’ Association of the Puchheim Primary School Homeopathy, Possibilities & Limitations
• April 28, 1998 Parents’ Association of the Timelkam Primary School Homeopathy, Possibilities & Limitations
• August 7, 1998 Alcoholics Anonymous Club Hays’ Dietary Combining
• October 13, 1998 Maximilianhaus, Attnang Chronic diseases and their homeopathic treatment. Treatment
• November 10, 1998 Parents’ Association, VS Regau: Homeopathy, Possibilities & Limitations
• April 27, 1999 MS Patient Support Group: Possibilities of Homeopathy for MS
• April 25, 2000 Parents’ Association, VS Schwanenstandt: Homeopathy, Possibilities & Limitations
• May 16, 2000 Maximilianhaus, Attnang: Homeopathy, Possibilities & Limitations for Cancer
• July 4, 2000 Club of Alcoholics Anonymous, Vöcklabruck: Free Radicals: Background, Mechanism, Simple & cheap therapy
• August 16, 2000 Vöcklabruck Migraine Sufferers’ Self-Help Group Homeopathy, Options & Limits
• May 2, 2001 Self-employed in old age (“SIMA”): Self-employed in old age with homeopathy
• September 2, 2001 Organic Farmers Harvest Association Schwanenstadt: Homeopathy: Basics and Possibilities in Agriculture
• September 2, 2001 Women’s Regulars’ Table, Machinery Ring of the Harvest Association: Psychological and Systemic Backgrounds of Illnesses and the Possibilities of Therapy
• 2002-2004: Several lectures in the Vöcklabruck area, not documented
• March 14, 2007 ORG Vöcklabruck: Homeopathy: Basics and Possibilities (2 hours before the Matura class)
• 8. October 2008: Mini-Med Academy Regau, “Homeopathy”
• October 2008: Heart Association – Gmunden Heart Group “Metabolic Balance”
• January 1109: Bach – “Experiences with Homeopathy and Metabolic Balance”
• February 1109: MB Group Vöcklabruck – “Metabolic Syndrome, Atherosclerosis, Laboratory Values”
• March 5009: Mini-Med Academy Regau, “Metabolic Balance”
• March 2009: Schwanenstadt Pharmacy, “Metabolic Balance”
• Sept. 6 09: Pankrazhof Farm Festival, “Organic Food, Is There a Difference?”
• 25 Nov 09: Healthy Community Vorchdorf: “Healthy Food from Toddlers to Teenagers – The Influence of Nutrition on Brain andand development
• February 9, 2010: MB group evening: “Re-entry – Background and difficulties with diet and re-entry”
• February 10, 2010: Lecture to the Matura class – ORG-Vöcklabruck – “Homeopathy – Introduction and Description of Methods”
• April 28, 2010: Metabolic group evening – “Prolonged Metabolism, what do we change, what do we recommend?”
• April 29, 2010: Organic Farmers – Ungenach – “Homeopathy for Plants, Animals & Humans in Agriculture”
• September 11, 2010: RAG Health Days, Waldzell – “Homeopathy, Possibilities & Limitations”
• 12 Sept 10: Energetics City, Vienna – “PAPimi – a new dimension in energy medicine“
• January 19, 2011: School project for the HAK2 Wels-Süd high school graduation class at RAIKA Thalheim “Metabolic Balance & Preventive Medicine“
• January 27, 2011: Organic Farmers’ Stammtisch Ungenach “Silent Inflammation – Causes and Therapy: News from Preventive Medicine and Anti-Aging“
• April 2011: ORG Vöcklabruck – School lecture “Homeopathy – truly serious medicine”
• April 26 Jan 12: Organic Farmers’ Stammtisch Ungenach “AntiAging II – Hormones“
• April 2012: ORG – School Lecture “Homeopathy – Truly Serious Medicine”
• May 15, 2012: VB & Hagebank – Health Event “AntiAging I – Principles of Aging & Prevention”
• May 22, 2012: Atrium Pharmacy Schwanenstadt: “AntiAging II – Hormones”
• May 16 Nov 12: Atrium Pharmacy Schwanenstadt: “Nourishing our Children / Deep Nutrition: Species-appropriate nutrition from an anthropological and scientific perspective”January 2013: Ungenach Organic Farmers’ Meeting “Teeth and Amalgam”April 2013: ORG – School Lecture “Homeopathy – Truly Serious Medicine”

  April 2014: ORG – School Lecture “Homeopathy – Truly Serious Medicine”

  April 2015: ORG – School Lecture “Homeopathy – Truly Serious Medicine”

  March 19, 2015: Healthy Community Niederthalheim / Schwanenstadt: “Teeth and Amalgam as an Important Factor in chronic diseases

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• April 2016: ORG – School lecture “Homeopathy – truly serious medicine“
• November 21, 2016: Healthy Community of St. Georgen: “Cancer – Causes and Ways of Prevention“