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  • Labs
    • All Biotype Panels
      • Copper Overload Biotype Panel
      • Comprehensive Biotype Panel
      • Methylation RBC – Histamine Homocysteine
      • Plasma Methylation, Doctors Data
    • Biotype Single Tests
      • Histamine, Whole Blood
      • Homocysteine
      • Zinc Deficiency Test, Plasma
      • Copper
      • Ceruloplasmin
      • Undermethylation
      • Kryptopyrroles
      • Vitamin D
      • CBC
      • Metabolic Panel
      • Hair and Toxic Elements
      • Folate Antibody Test
    • Other Lab Panels
      • Alzheimer’s Cognoscopy Panel
      • TBI Hormone PTSD
      • Female Sex Hormones
      • Hashimoto’s Thyroid
      • CDSA Stool Analysis x 3
      • Female, Adrenal & Thyroid
      • Inflammation Panel
      • Optimal Brain Nutrients
      • Hormone Panel
      • Leaky Gut Panel
    • All Single Item Tests
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    • General Phone Consultations
      • Free-Pre Consultation
      • Consultation – 10 Minute Phone $99
      • Consultation – 20 Minute $199
      • Telemedicine Concierge Series $1499
    • Walsh Protocol Assessment
      • Biotype Assessment w Report $299 (SOP Labs)
      • Biotype Assessment w Report $399 (No Labs)
    • Functional Health Consultation
      • Walsh Panel F/U + SAM:SAH Methylation $349
      • FRAT Test for Autism – Folate Antibodies $625
      • At Home Ozone Therapy for GI Parasites – Step by Step $249
    • Specialized Consultations
      • Biochemical Insight Assessment for Legal Defense (BIALD) Consultation
  • Supplements
    • Links to BiotypeNutrients
      • Undermethylation
      • Overmethylation
      • Pyroluria
      • Copper Overload
      • Toxic Overload
      • Intestinal Health
      • Homocysteine
      • Kidney Detoxification
      • Liver Detoxification
      • Ceruloplasmin
  • The Walsh Approach
    • The Walsh Approach
      • What is my Depression Biotype?
      • William Walsh. PhD – Bio
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      • Undermethylation
      • Overmethylation
      • Copper Overload
      • Pyrrole Disorder
      • Toxic Overload
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  • Blog
    • Topics
      • Histamine & Food Tolerance
      • Saunas & Cold Therapy
      • Hydration & Electrolytes
      • Cholesterol & Heart
      • Homocysteine
      • Kidney Detoxification
      • Ozone Therapy
      • Sulfur & Methylation
      • Intestinal Health
      • Methylation: Beyond Folate & B12
      • Minerals & Alkalinity
      • Neuro / NMDA & Glutamates
    • Diet and Nutrition
      • Low-Glycemic Mediterranean Diet
      • Liver Detoxification
      • Glutamates in Food
      • Glyphosate in Foods
      • Vitamin D & Immunity
    • Conditions
      • ADHD
      • Alzheimer’s / Cognitive Decline
      • Anxiety
      • Autism
      • Dysautonomia
      • Inflammation
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      • Long COVID & Post-Vaccine Symptoms
      • OCD (Obsessive–Compulsive Disorder)
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Key Tests and Consultation Items
  • – Medical Consultations
  • – Walsh Test Panels
  • – Walsh Single Tests
  • – Other Lab Panels
  • – Other Single Item Tests
Dr Dave’s Blog
  • 23
    Oct
    The Cholesterol Myth – What’s good, what’s bad and what to test. Comments Off on The Cholesterol Myth – What’s good, what’s bad and what to test.
  • 18
    Oct
    Undermethylation and Autism Comments Off on Undermethylation and Autism
  • 18
    Oct
    Copper, Oxidative Stress, and Autism No Comments on Copper, Oxidative Stress, and Autism
Five Biotypes of Depression
  • Pyrrole Disorder
  • Copper Overload
  • Toxic Overload
  • Overmethylation
  • Undermethylation
Copyright 2025 © Second Opinion Physician, P.C.
  • ×
  • Labs
    • All Biotype Panels
      • Copper Overload Biotype Panel
      • Comprehensive Biotype Panel
      • Methylation RBC – Histamine Homocysteine
      • Plasma Methylation, Doctors Data
    • Biotype Single Tests
      • Histamine, Whole Blood
      • Homocysteine
      • Zinc Deficiency Test, Plasma
      • Copper
      • Ceruloplasmin
      • Undermethylation
      • Kryptopyrroles
      • Vitamin D
      • CBC
      • Metabolic Panel
      • Hair and Toxic Elements
      • Folate Antibody Test
    • Other Lab Panels
      • Alzheimer’s Cognoscopy Panel
      • TBI Hormone PTSD
      • Female Sex Hormones
      • Hashimoto’s Thyroid
      • CDSA Stool Analysis x 3
      • Female, Adrenal & Thyroid
      • Inflammation Panel
      • Optimal Brain Nutrients
      • Hormone Panel
      • Leaky Gut Panel
    • All Single Item Tests
  • Consultations
    • General Phone Consultations
      • Free-Pre Consultation
      • Consultation – 10 Minute Phone $99
      • Consultation – 20 Minute $199
      • Telemedicine Concierge Series $1499
    • Walsh Protocol Assessment
      • Biotype Assessment w Report $299 (SOP Labs)
      • Biotype Assessment w Report $399 (No Labs)
    • Functional Health Consultation
      • Walsh Panel F/U + SAM:SAH Methylation $349
      • FRAT Test for Autism – Folate Antibodies $625
      • At Home Ozone Therapy for GI Parasites – Step by Step $249
    • Specialized Consultations
      • Biochemical Insight Assessment for Legal Defense (BIALD) Consultation
  • Supplements
    • Links to BiotypeNutrients
      • Undermethylation
      • Overmethylation
      • Pyroluria
      • Copper Overload
      • Toxic Overload
      • Intestinal Health
      • Homocysteine
      • Kidney Detoxification
      • Liver Detoxification
      • Ceruloplasmin
  • The Walsh Approach
    • The Walsh Approach
      • What is my Depression Biotype?
      • William Walsh. PhD – Bio
      • Walsh Research and Publications
      • Walsh Videos
    • Walsh Protocol Topics
      • Undermethylation
      • Overmethylation
      • Copper Overload
      • Pyrrole Disorder
      • Toxic Overload
  • General Info
    • Dr Dave
    • Contact Us
    • Creatine & Methylation
    • FAQs
    • Payment Information
    • APPOINTMENT SCHEDULER
  • Blog
    • Topics
      • Histamine & Food Tolerance
      • Saunas & Cold Therapy
      • Hydration & Electrolytes
      • Cholesterol & Heart
      • Homocysteine
      • Kidney Detoxification
      • Ozone Therapy
      • Sulfur & Methylation
      • Intestinal Health
      • Methylation: Beyond Folate & B12
      • Minerals & Alkalinity
      • Neuro / NMDA & Glutamates
    • Diet and Nutrition
      • Low-Glycemic Mediterranean Diet
      • Liver Detoxification
      • Glutamates in Food
      • Glyphosate in Foods
      • Vitamin D & Immunity
    • Conditions
      • ADHD
      • Alzheimer’s / Cognitive Decline
      • Anxiety
      • Autism
      • Dysautonomia
      • Inflammation
      • Insomnia
      • Long COVID & Post-Vaccine Symptoms
      • OCD (Obsessive–Compulsive Disorder)
      • Parkinson’s Disease
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