Tito

When B-Vitamins Are Life-Saving: The Forgotten Diagnoses Behind Stroke, Dementia, and Psychiatric Decline

CBS and MTHFR deficiencies aren’t just rare childhood disorders—they may be hiding behind your adult patient’s “idiopathic” neurological symptoms. We often associate inborn errors of metabolism with paediatrics: neonates in NICUs, metabolic crises, urgent interventions. But what happens when these genetic disorders masquerade as psychiatric illness, unexplained strokes, or progressive dementia in adults? A 2007 […]

When B-Vitamins Are Life-Saving: The Forgotten Diagnoses Behind Stroke, Dementia, and Psychiatric Decline Read More »

MTHFR and the Brain: Untangling the Genetic and Biochemical Links to Neurological and Psychiatric Disorders

When we talk about MTHFR polymorphisms, most practitioners think about methylation, cardiovascular risk, or pregnancy complications. But increasingly, the research is pointing to a different arena where these gene variants may play a pivotal role: the brain. From autism spectrum disorder to schizophrenia and major depression, MTHFR-related impairments in one-carbon metabolism may alter neurodevelopment, neurotransmission,

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Choline – The Unsung Hero of Methylation

Methylation is a fundamental biochemical process that underpins everything from gene regulation and detoxification to neurotransmitter production and liver health. Most health practitioners are familiar with folate’s role in methylation—particularly in relation to homocysteine metabolism and MTHFR polymorphisms—but what’s less appreciated is the equally essential role of choline. Emerging research, including a 2025 review by

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gut bug

How Gut Bugs and Inflammation Steal Your Tryptophan (and Your Happiness)

You’ve heard the phrase “the gut-brain axis.” But in clinical practice, that connection runs deeper than many practitioners realise—especially when it comes to tryptophan metabolism and its downstream impact on serotonin, mood, and inflammation. Today’s article dives into the mechanism of tryptophan hijacking—how gut bugs, inflammation, and environmental stress redirect this essential amino acid away

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Genetics

The COMT-Dopamine Connection: Why Your Patient Isn’t Lazy—They’re Biochemically Flatlined

When a patient presents with low motivation, emotional flatness, addictive behaviours, or an inability to complete even simple tasks, it’s easy to mistake them as “non-compliant” or “uncommitted.” But what if the problem isn’t psychological?   What if it’s biochemical? In clinical genomics, we now understand that fast COMT activity—driven by genetic variation—can deplete dopamine levels

The COMT-Dopamine Connection: Why Your Patient Isn’t Lazy—They’re Biochemically Flatlined Read More »

The Science of Serotonin: How MAOA, BH4, and Inflammation Hijack Mood

Serotonin has become a household name. It’s often blamed for depression, and targeted by SSRIs. But as any functional practitioner knows, it’s rarely that simple. In truth, serotonin is influenced by a matrix of genetic factors, cofactors, and environmental inputs—and if you don’t understand these, you’ll struggle to get lasting results with your patients. Today,

The Science of Serotonin: How MAOA, BH4, and Inflammation Hijack Mood Read More »

MTHFR and Methylation: A Critical Insight for Health Practitioners

As a health practitioner, you know that optimal biochemical function is fundamental to patient well-being. One of the most critical yet overlooked biochemical pathways is methylation, a process that affects detoxification, DNA repair, immune function, neurotransmitter balance, fertility and cardiovascular health.  Central to the methylation process is the MTHFR (methylenetetrahydrofolate reductase) enzyme, which plays a

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The Role of MTHFR in Thyroid Conditions

The Role of MTHFR in Thyroid Conditions: A Deep Dive into the Connection

The thyroid gland, a butterfly-shaped organ located at the base of your neck, plays a pivotal role in regulating metabolism, energy production, and overall health. Thyroid dysfunctions, such as hypothyroidism, hyperthyroidism, Hashimoto’s thyroiditis, and Graves’ disease, affect millions worldwide. While many factors contribute to thyroid issues, one genetic component gaining attention is the MTHFR gene. The MTHFR

The Role of MTHFR in Thyroid Conditions: A Deep Dive into the Connection Read More »

Vitamin D and Thyroid Health: A Connection Practitioners Can’t Ignore

Vitamin D is widely recognised for its role in bone health, but its impact on the immune system and thyroid health is often overlooked. Emerging research highlights the critical connection between vitamin D levels and autoimmune thyroid conditions, such as Hashimoto’s thyroiditis and Graves’ disease. Its importance is further amplified during pregnancy, where adequate vitamin

Vitamin D and Thyroid Health: A Connection Practitioners Can’t Ignore Read More »

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Carolyn Ledowsky

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