Personalized Consulting For MCAS, POTS, Histamine & Mold Illness
From Reactivity to Regulation
Using The NLN Method™
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Common Symptoms
I'm Constantly Chasing Symptoms, Scans & Testing
I'm constantly visiting doctors who never have answers. My symptoms remain unexplained and testing never seems to bring answers.
Countless ER visits and no answers.
Now I have just stopped going.
I'm At The Emergency
Room Often
I React To Everything.
My body reacts to everything—food, chemicals, EMFs, heat & more— anaphylaxis to asthma, hives, palpitations, and GI issues and more. What’s happening?
I Have Massive
Brain Fog
My brain fog, memory loss, and mental fatigue make daily tasks so overwhelming.
I Feel Dismissed By The Medical Community
Doctors are often unsure why I am having these issues and either tell me it is stress or they do not know.
I Am Always
Exhausted
I am beyond tired, despite rest, with aching muscles and heaviness.
I Feel Hungover, Like My Body Is Poisoned
Even though I haven't had any
alcohol I feel hungover so often.
I Have Developed
Anxiety and/or Phobias
& It's Not Just Stress
I have fears and anxiety I’ve never had before. It's not just stress. I am tried of being prescribed anti-anxiety meds, and then being referred to a psychiatrist.
My Body Feels Overstimulated
Loud sounds, bright lights, crying on TV trigger me and make me agitated, overstimulated and sometimes even panic.
Where to Start?
What Is Causing My Symptoms?
Did you know your symptoms are actually being driven by a different mechanism than the original trigger?
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These symptoms are often grouped into different conditions, even when the experience feels very similar.
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In many cases, the body has shifted into a protective, reactive state—where the nervous system and other systems in the body are working overtime and not fully returning to baseline.
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This can be triggered by things like environmental exposures (mold, air quality, chemicals), illness, stress, or injury. And even after the original trigger has been reduced or removed, the system can stay “switched on,” continuing to drive symptoms.
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That’s why it’s not just about removing the trigger. It’s about helping the system feel safe enough to settle—supporting both the nervous system and overall function so the body can move back toward stability and regulation.
-You deserve clear explanations, not confusion or dismissal.
Meet the Founders
Liz McGhee
Co-Founder | Environmental Health Scientist, RS & Cell & Molecular Biologist
Neuro-Immune Autonomic Consultant
Liz has been an RS for over 20 years and her work focuses on the intersection of environmental exposure, immune signaling, and autonomic nervous system regulation. With a background in communicable and infectious disease, she brings a systems-based perspective to understanding complex chronic conditions.
Through New Leaf Neuro, Liz helps individuals interpret environmental factors such as mold, indoor air quality, and chemical exposures alongside symptom patterns seen in conditions including MCAS, CIRS, POTS, MCS, ME/CFS, Long COVID, and other neuro-immune and autonomic conditions.
Her approach centers on helping individuals better understand their triggers and guiding the system toward greater stability and regulation.
Pascal Boudreau
Co-Founder | Principal Building Systems Engineer, P.Eng
Pascal is a licensed Professional Engineer with over 30 years of experience in systems analysis and engineering design, including work in complex infrastructure systems such as power systems and telecommunications.
At New Leaf Neuro, he applies this systems-based perspective to the built environment, focusing on how moisture dynamics, ventilation patterns, and indoor air quality influence environmental safety.
Pascal helps interpret how building conditions may affect symptom patterns for sensitive individuals and leads New Leaf Neuro’s Environmental Building Masterclasses on creating healthier indoor environments.
-Your body is not failing.
These symptoms often represent a protective system that has become overly reactive. When you understand the patterns and respond consistently, the system can settle .
