THE PURSER WELLNESS ENCYCLOPEDIA

Let’s explore “BRCA1, BRCA2, and common variants”

A RELATED COURSEGenetic testing, one term at a time

4 chapters, at your pace

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260 resources for your curiosity26 matching listings grouped; alternative sources stay available.

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Gene referenceSep 23, 2026

ATG16L1

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…Crohn’s disease or another diagnosis interchangeable, and a common variant is not a substitute for a digestive workup. A question to bring to your visit Which part of my history points to inflammation, absorption, bile-related digestion or …

Gene referenceSep 23, 2026

CBS

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… considering support, your symptoms and tolerance matter. A common CBS variant does not mean you must avoid sulfur foods or that more building blocks will help. Where this gene fits in transsulfuration Dr. Purser places CBS on the route fro…

Gene referenceSep 23, 2026

COL5A1

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…xity and the importance of matching activity to the person. Common markers listed in a wellness panel do not diagnose Ehlers–Danlos syndrome. Recurrent dislocations, unusual skin findings, injury patterns and family history are more useful …

Gene referenceSep 23, 2026

CTH

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… considering support, your symptoms and tolerance matter. A common CTH variant does not mean you must avoid sulfur foods or that more building blocks will help. Where this gene fits in transsulfuration Dr. Purser places CTH on the route fro…

Gene referenceSep 23, 2026

FOLR1

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…ext. Rare pathogenic FOLR1 disorders are different from the common markers in a wellness panel. A marker alone does not establish cerebral folate deficiency or select folinic-acid treatment; a neurological concern needs its own assessment. …

Gene referenceSep 23, 2026

FUT2

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…Crohn’s disease or another diagnosis interchangeable, and a common variant is not a substitute for a digestive workup. A question to bring to your visit Which part of my history points to inflammation, absorption, bile-related digestion or …

Gene referenceSep 23, 2026

GDF5

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…the context for rehabilitation and nutrition discussions. A common marker is different from a rare pathogenic skeletal-development variant. A question to bring to your visit How does my joint and injury history guide rehabilitation more dir…

Gene referenceSep 23, 2026

GSTM1

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…erson as unable to detox. Different GST genes and different variants should not be assumed to have identical effects. A question to bring to your visit Does my result show a gene deletion, a different variant, or an uncertain finding? What …

Gene referenceSep 23, 2026

GSTP1

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…erson as unable to detox. Different GST genes and different variants should not be assumed to have identical effects. A question to bring to your visit Does my result show a gene deletion, a different variant, or an uncertain finding? What …

Gene referenceSep 23, 2026

GSTT1

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…erson as unable to detox. Different GST genes and different variants should not be assumed to have identical effects. A question to bring to your visit Does my result show a gene deletion, a different variant, or an uncertain finding? What …

Gene referenceSep 23, 2026

KIT

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…ludes KIT in his cell-development and mast-cell teaching. A common inherited marker, a pathogenic inherited variant and a mutation found in affected tissue can have very different meanings. Mast-cell symptoms alone do not establish a KIT-re…

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