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    #neurotransmitters

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    Scientific illustration for Neurotransmitters: The Chemical Orchestra Environmental Toxins Are Disrupting
    Nervous System
    13 MIN READ

    Neurotransmitters: The Chemical Orchestra Environmental Toxins Are Disrupting

    Neurotransmitters — the chemical signalling molecules that transmit information across synaptic junctions between neurons — include serotonin, dopamine, noradrenaline, GABA, glutamate, acetylcholine, and numerous neuropeptides, each mediating distinct aspects of mood, cognition, motivation, sleep, pain perception, and autonomic function. The synthesis of every major neurotransmitter depends on specific nutritional precursors and enzymatic cofactors — tryptophan for serotonin, tyrosine for dopamine and noradrenaline, choline for acetylcholine, glutamate for GABA — making nutritional deficiency and gut dysfunction (which impairs amino acid absorption and houses 95% of serotonin-producing enterochromaffin cells) direct determinants of neurotransmitter availability. Environmental neurotoxins including heavy metals, organophosphate pesticides, glyphosate (which disrupts the shikimate pathway in gut bacteria that produce aromatic amino acid precursors), and certain pharmaceutical compounds alter neurotransmitter synthesis, release, receptor sensitivity, and reuptake in ways that the current psychiatric paradigm attributes to genetic predisposition rather than environmental aetiology — a fundamental misattribution with profound consequences for treatment.

    #neurotransmitters#serotonin
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    Scientific illustration for The Gut-Brain Axis: The Bidirectional Intelligence Your Doctor Ignores
    Physiology
    13 MIN READ

    The Gut-Brain Axis: The Bidirectional Intelligence Your Doctor Ignores

    The gut-brain axis — the bidirectional communication network connecting the enteric nervous system's 100 million neurons with the central nervous system via the vagus nerve, immune signalling, and neurotransmitter production — fundamentally challenges the conventional separation of gastrointestinal and neurological medicine. Ninety percent of the body's serotonin, 50% of its dopamine precursors, and the majority of its GABA are synthesised in the gut by microbiome organisms whose populations are devastated by antibiotics, glyphosate, processed food, and chronic stress. This makes gut dysbiosis a direct cause of depression, anxiety, autism spectrum disorder, and neurodegenerative disease — a connection that psychiatric medicine has been extraordinarily reluctant to integrate.

    #gut-brain axis#serotonin
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    Scientific illustration for Neurotransmitter Depletion: The Biological Root of Depression & Anxiety
    Nervous System
    13 MIN READ

    Neurotransmitter Depletion: The Biological Root of Depression & Anxiety

    Depression and anxiety are not diseases of serotonin, dopamine, or GABA deficiency in any simple sense — they are the predictable neurological consequences of the multi-factorial biological breakdown that depletes the amino acid precursors, cofactor micronutrients, and neurological infrastructure required to synthesise and signal with these compounds at optimal levels. Tryptophan (the serotonin precursor) is diverted away from serotonin synthesis toward the pro-inflammatory kynurenine pathway by inflammatory cytokines; dopamine synthesis requires L-DOPA, copper, and vitamin B6 all of which are depleted by heavy metal competition and nutrient-poor diets; and GABA is synthesised from glutamate by glutamic acid decoderase, an enzyme requiring pyridoxal-5-phosphate (active B6) that is directly inhibited by aluminium. The pharmaceutical model of blocking neurotransmitter reuptake with SSRIs and SNRIs addresses none of these root causes and creates iatrogenic dependency whilst the biological causes of neurotransmitter depletion are ignored.

    #neurotransmitters#serotonin