Conditions

Continuously updated · last reviewed Oct 19, 2026

Each page covers one condition properly: what it actually is and what it feels like, what causes it, how common it really is and in whom, and how it's diagnosed — followed by the specific variants with a replicated link to it, and, where the research supports it, how genetics can change the way a medicine behaves.

Written in two registers so one page serves both readers: plain language first, then a clinical detail section with the precise terminology, effect sizes and diagnostic thresholds. Every claim is sourced from freely-available published research and cited on the page, so you can check us — or hand the page to your doctor. 385 conditions so far, growing continuously, and free to reuse with attribution (CC BY 4.0).

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All 385 Autoimmune 33 Behavioural 13 Cancer 37 Cardiovascular 33 Condition 25 Dental 3 Dermatologic 8 Dermatological 1 Developmental 5 Digestive 19 Endocrine 6 Hematologic 10 Immunologic 7 Infection 1 Infectious 8 Inherited 6 Metabolic 15 Musculoskeletal 18 Neurological 18 Nutritional 1 Ophthalmic 10 Pharmacogenomic 17 Pharmacogenomics 4 Pregnancy 3 Reproductive 4 Respiratory 10 Sensory 5 Trait 53 Urinary 1 Urological 11

37 results in Cancer

Cancer

Cancer of Other Male Genital Organs

Cancer of Other Male Genital Organs, as genome-wide studies have reported it: 4 positions from 1 study, the largest recording 3,018 cases and 569,607 controls (African American or Afro-Caribbean ancestry, European ancestry, Hispanic or Latin American ancestry). Assembled by code from the GWAS Catalog's records and kept current as positions arrive; every figure is the studies' own.

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Cancer

Cancer of Major Salivary Glands

Cancer of Major Salivary Glands, as genome-wide studies have reported it: 5 positions from 1 study, the largest recording 1,130 cases and 571,603 controls (African American or Afro-Caribbean ancestry, European ancestry). Built from the GWAS Catalog's records and rebuilt when a new position is reported; the figures are the studies'.

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Cancer

Neuroendocrine Tumors

Neuroendocrine Tumors, as genome-wide studies have reported it: 14 positions from 1 study, the largest recording 751 cases and 572,091 controls (African American or Afro-Caribbean ancestry, European ancestry). Built from the GWAS Catalog's records and rebuilt when a new position is reported; the figures are the studies'.

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Cancer

Keratinocyte Cancer

Keratinocyte Cancer, as genome-wide studies have reported it: 4 positions from 1 study, the largest recording 18,538 cases and 340,302 controls (European ancestry). Assembled by code from the GWAS Catalog's records and kept current as positions arrive; every figure is the studies' own.

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Cancer

Squamous Cell Carcinoma

Squamous Cell Carcinoma, as genome-wide studies have reported it: 7 positions from 3 studies, the largest recording 9,674 cases and 625,657 controls (European ancestry). Assembled by code from the GWAS Catalog's records and kept current as positions arrive; every figure is the studies' own.

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Cancer

Cutaneous Squamous Cell Carcinoma

Cutaneous Squamous Cell Carcinoma, as genome-wide studies have reported it: 4 positions from 2 studies, the largest recording 16,407 cases and 762,486 controls (European ancestry). Built from the GWAS Catalog's records and rebuilt when a new position is reported; the figures are the studies'.

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Cancer

Neuroblastoma

Neuroblastoma, as genome-wide studies have reported it: 3 positions from 2 studies, the largest recording 2,101 cases and 4,202 controls (European ancestry). Every figure comes from the studies themselves, gathered by code from the GWAS Catalog and updated as the records grow.

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Cancer

Cutaneous Malignant Melanoma

The deadliest common skin cancer, and the one most tied to sun exposure acting on a genetically susceptible person. A meta-analysis of almost 16,000 melanoma cases confirmed 13 known risk loci and found five new ones, in genes tied to how melanocytes are regulated.

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Cancer

Hodgkin Lymphoma

Three separate large studies, each adding loci to a genetic picture that converges on one specific mechanism: dysfunction in the germinal center where B cells normally mature, plus disrupted T-cell development.

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Cancer

Ewing Sarcoma

A pediatric bone cancer defined by an acquired gene fusion — and one of this page's three inherited risk variants sits directly beside a gene that same fusion protein switches on.

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Cancer

Diffuse Large B Cell Lymphoma

The most common and clinically aggressive lymphoma subtype, whose inherited risk loci point at immune recognition pathways — including two independent signals at the same 8q24.21 region as the MYC oncogene, famous for a completely different, acquired role in this disease.

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Cancer

Follicular Lymphoma

A blood cancer whose strongest inherited risk sits in the immune system's own HLA region — and whose most characteristic acquired feature, a translocation at BCL2, shares a gene with one of this page's five inherited variants.

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Cancer

Myeloproliferative Neoplasms

Blood cancers driven by an acquired mutation in blood stem cells, most often in JAK2 — the same gene where several of this page's eight inherited variants also sit, but as a completely different, inherited kind of change.

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Cancer

Multiple Myeloma

A cancer of plasma cells, the antibody-producing white blood cells. Three studies that built directly on each other tripled the number of confirmed risk loci in five years, converging on the same developmental process that makes a normal plasma cell in the first place.

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Cancer

Renal Cell Carcinoma

The most common kind of kidney cancer in adults. Six risk loci were already known before this study; a large European-ancestry meta-analysis found seven more, five of which are the variants on this page.

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Cancer

Nodular Sclerosis Hodgkin Lymphoma

The most common subtype of classical Hodgkin lymphoma in Western countries, with genetics of its own beyond the one locus shared by the disease as a whole. The variant here sits near GATA3, a transcription factor central to how immune cells develop — the same immune process the study's other nodular-sclerosis-specific loci cluster around.

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Cancer

Mucinous Ovarian Carcinoma

A distinct histological subtype of ovarian cancer, separate from the more common serous subtype already covered on this site's Ovarian Cancer page. The variant here sits near a gene pair — IFNL3/IFNL4 — almost entirely known for a different disease: predicting how the immune system responds to hepatitis C.

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Cancer

Ovarian Clear Cell Cancer

Ovarian cancer is not one disease — clear cell carcinoma is a distinct, less common histotype, more resistant to standard chemotherapy and more strongly linked to endometriosis. HNF1B, the gene this page's variant sits in, is the most consistently replicated clear-cell-specific susceptibility locus in the literature.

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Cancer

Non-Cardia Gastric Cancer

Stomach cancer is split by location — cardia versus non-cardia — because the two behave differently and are linked to different causes, Helicobacter pylori chief among them for the non-cardia form covered here. A pooled Chinese study found a new locus at 1q22 specific to East Asian populations, near ASH1L.

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Cancer

Lung Squamous Cell Carcinoma

"Squamous cell carcinoma" without a qualifier most often means skin cancer — this page is about the lung. A three-stage Han Chinese study found one variant that lowers risk specifically for this histotype; a much larger 2017 meta-analysis then added five more, four of which cluster in one region on chromosome 6.

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Questions about conditions on this site

What counts as a "condition" page on this site?

One diagnosed condition or measurable trait covered properly: what it actually is, what causes it, how common it is, how it is diagnosed, and the specific variants with a replicated link to it — every claim sourced from published research.

Does MyGeneLog™ diagnose any of these conditions?

No. Every page here is informational, not a diagnosis. A result should be discussed with a doctor or a licensed genetic counselor, never acted on alone.

Why do some entries say "Trait" instead of a disease category?

Because they are not disorders. Height, ABO blood group and a handful of others describe a measurable characteristic with nothing to diagnose — "Trait" says so plainly instead of implying a disease that is not one.

How is a variant linked to a condition page?

Only after a replicated association in published research, verified against the primary study rather than a gene name or a marketing claim — the same discipline the variant pages themselves follow.