Category: Undermethylation
Undermethylation is a Walsh
biochemical pattern often associated with elevated whole-blood histamine,
reduced methyl donor activity and characteristic symptom patterns. Articles
in this section discuss laboratory confirmation, neurotransmitter effects,
nutrient priorities and substances that may worsen the pattern.
Alkaline Diet and Kidney Function
Alkaline Diet, Body pH and Kidney Function: How Acid Load May Affect Filtration and Methylation [...]
How Toxic Overload Causes Mood Disorders
Can Toxic Overload Cause Depression? Elevated SAH, Glutathione and Undermethylation Toxic overload and depression may [...]
Liver Detoxification Pathways: Phases, Glutathione and Bile
Liver Detoxification Pathways: How Methylation, Glutathione and Bile Remove Toxins The liver transforms medications, alcohol, [...]
Five Epigenetic Biotypes of Undermethylation | Beyond MTHFR
The Five Epigenetic Biotypes of Undermethylation Dr. William Walsh identified five major biochemical biotypes associated [...]
Walsh Toxic Overload Biotype: Elevated SAH, Zinc and the SAHH Bottleneck
Elevated SAH, Zinc and the SAH Hydrolase Pathway Dr. William Walsh’s interpretation of elevated SAH [...]
Undermethylation, Autism & Mitochondria
Undermethylation, Autism and Mitochondrial Dysfunction Autism is often discussed in terms of behavior or learning, [...]
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Histamine Intolerance vs High Histamine
Histamine Intolerance or High Histamine? DAO, Mast Cells and Undermethylation Histamine symptoms may come from [...]
Mastering Histamine Intolerance:
Low-Histamine Diet and DAO Foods: What to Eat, Avoid and Try First A low-histamine diet [...]
High Basophils: Causes, Histamine Symptoms and Blood Test Meaning
High Basophils: Causes, Histamine Symptoms and Blood Test Meaning A high basophil result often reflects [...]
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SAH, Methylation, and Mood
What Causes Undermethylation: Understanding Elevated SAH vs. Low SAM The SAM-to-SAH ratio is important, but [...]
Best Antidepressant for Depression?
What Is the Best Antidepressant for Depression? Using Biochemistry to Review Medication Fit Second Opinion [...]
Creatine and Methylation
SECOND OPINION SERIES Creatine • SAM • SAH • ATP • Brain and Muscle Creatine [...]
Why MTHFR Testing Fails Mental Health Patients
SECOND OPINION SERIES Why MTHFR Testing Fails Mental Health Patients – and How Folate Worsens [...]
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Natural Remedies and Supplements for Depression | What to Test
Natural Remedies and Supplements for Depression: What Helps, What Fails and What to Test Learn [...]
Walsh Protocol Nonresponders
Walsh Protocol Review Before Walsh Protocol Testing: Benefits, Limits and Why Some Patients Don’t Respond [...]