Expert profile

Dr. Jay Lombard

Neurologist, Functional Medicine Practitioner

Neurodegenerative diseases (ALS • Alzheimer's • Parkinson's • MS) through a microbiome-infectious-cause framework; medical hyperthermia; integrative neurology

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56 minAnalysed
Last reviewed: Apr 28, 2026·Credential: MD, Board-certified neurologist; psychiatry training·First indexed: Apr 28, 2026

About the expert

Focus: Bacterial infection as primary trigger of neurodegenerative disease; medical hyperthermia for spore disruption; secondary bile acids (TUDCA) for neuroprotection; the 'leaky gut to leaky brain' framework. Operates outside mainstream consensus on cause and treatment.

Board-certified neurologist with practice in Tarrytown, New York. Former chief of neurology at Westchester Square Medical Center and Bronx Lebanon Hospital; clinical assistant professor at New York Presbyterian and Albert Einstein College of Medicine. Author of 'The Mind of God' (faith and neuroscience) and 'The Brain Wellness Program'. Advances a hypothesis that bacterial infections (specifically Clostridium difficile) trigger neurodegeneration through protein misfolding via microtubule dysfunction. The hypothesis is contested in mainstream neurology and not the consensus model. Lombard works alongside more established TUDCA bile acid research (which has genuine peer-reviewed neuroprotection evidence) and the increasingly accepted microbiome-neurodegeneration research direction (Rudy Tanzi, Heiko Braak gut-first model).

Expert discussions with Dr. Jay Lombard

A Neurologist's Warning: The Hidden Infection Behind Alzheimer's & ALS
Dr. Jay Lombard, a board-certified neurologist, advances a hypothesis that Clostridium difficile bacterial infection may be a primary trigger of neurodegenerative diseases including ALS, Alzheimer's, Parkinson's, and multiple sclerosis. This is a hypothesis-driven conversation, not established neurology — mainstream consensus continues to recognize the gut-brain axis as biologically relevant while not endorsing C. difficile as a primary trigger of these conditions. Some related observations (the microbiome influences neuroinflammation, individual immune responses vary) are well-supported research areas; the specific causal claim about C. difficile as a primary driver is much more preliminary and contested.
Dr. Jay Lombard — toClarity