Dr. John Campbell Courses

John Snow's 1854 Cholera Investigation in Soho - A Public Health Success Story

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Discover how Dr. John Snow's groundbreaking investigation of London's 1854 cholera outbreak revolutionized epidemiology and public health through data-driven analysis and decisive action.

• YouTube
• 11 minutes
• On-Demand
• Free Video

Batch-Dependent Safety of BNT162b2 mRNA COVID-19 Vaccine - Analysis of Danish and Swedish Studies

Explore batch-dependent safety signals in COVID-19 vaccines, analyzing data from Denmark and Sweden to understand potential variations in adverse event rates across different batches.

• YouTube
• 19 minutes
• On-Demand
• Free Video

Ultraprocessed Food Pandemic - Health Impacts and Current Food Situation

Explore the alarming impact of ultraprocessed foods on health with Dr. Seneel Dhand, uncovering the current food crisis and its implications for public well-being.

• YouTube
• 59 minutes
• On-Demand
• Free Video

Microbiome and Mucosal Immunity: New Research Findings

Explore the interconnected mucosal immune system, microbiome, and systemic immunity through COVID-19 insights, revealing potential for innovative therapeutic approaches.

• YouTube
• 57 minutes
• On-Demand
• Free Video

Monkeypox: Public Health Emergency of International Concern

Explore monkeypox's global impact, transmission, and prevention. Learn about virus types, symptoms, and vaccines to understand this international health concern.

• YouTube
• 15 minutes
• On-Demand
• Free Video

Understanding the Massive Increase in Autism Spectrum Disorder Rates - CDC Data Analysis

Explore the striking rise in autism prevalence over two decades, examining statistical trends, demographic patterns, and key characteristics of Autism Spectrum Disorder.

• YouTube
• 17 minutes
• On-Demand
• Free Video

Understanding and Avoiding the Semmelweis Reflex - A Lesson in Scientific Progress

Explore the historical case of Ignaz Semmelweis and learn how psychological resistance to new ideas, despite evidence, continues to impact scientific progress and medical innovation today.

• YouTube
• 37 minutes
• On-Demand
• Free Video

mRNA RSV Vaccine Trial Suspended Due to Severe Respiratory Disease Safety Signal

Discover the latest developments in mRNA vaccine safety as a pediatric RSV vaccine trial faces suspension due to severe respiratory disease signals in phase 1 testing, with detailed analysis of safety concerns and implications.

• YouTube
• 17 minutes
• On-Demand
• Free Video

Cholera Outbreak of 1854: Dr. John Snow's Epidemiological Breakthrough and Modern Lessons

Explore the groundbreaking work of Dr. John Snow during London's 1854 cholera outbreak, examining his pioneering epidemiological methods and the enduring lessons for modern public health challenges.

• YouTube
• 16 minutes
• On-Demand
• Free Video

Vitamin D and Disease Prevention - A Comprehensive Study

Explore the crucial relationship between Vitamin D and disease prevention through expert insights from Dr. David Grimes, examining key research findings and health implications.

• YouTube
• 1 hour 27 minutes
• On-Demand
• Free Video

Low Dose Naltrexone - Simple, Cheap, Non-Toxic Cancer Treatment

Discover how Low Dose Naltrexone offers a simple, affordable cancer treatment option through immune modulation and direct anti-cancer pathways, as explained by oncology expert Prof. Dalgleish.

• YouTube
• 21 minutes
• On-Demand
• Free Video

Colon Cancer in the Young - Rising Incidence and Risk Factors

Discover rising colon cancer rates in under-50s, key symptoms like anemia and bowel changes, plus risk factors including diet, lifestyle, and genetics for early detection.

• YouTube
• 11 minutes
• On-Demand
• Free Video

Corporate Capture and the Revolving Door - Health Impacts on Children

Explore the alarming connections between corporate influence, health regulations, and the rising rates of chronic diseases in American children, examining factors from ultra-processed foods to environmental chemicals and excessive medication.

• YouTube
• 24 minutes
• On-Demand
• Free Video

Excess Deaths 2020-2022: Analysis and Concerns for 2025

Explore the concerning trend of excess mortality in Western countries from 2020-2022, examining statistical evidence, potential causes, and the need for government investigation into this persistent phenomenon.

• YouTube
• 15 minutes
• On-Demand
• Free Video

Alcohol - Harms and Hangovers

Discover the science behind alcohol's effects on the brain, its harmful impacts, and the mechanisms of hangovers from leading neuropsychopharmacologist Professor David Nutt.

• YouTube
• 18 minutes
• On-Demand
• Free Video