Tay-Sachs Disease

Progressive neurological disorder affecting nerve cells, causing severe developmental regression and typically fatal by age 5. Most common in Ashkenazi Jewish populations with successful prevention programs.

1 in 27 carriers Severe Ashkenazi
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Gaucher Disease

Most common genetic disease affecting Ashkenazi Jews. Enzyme deficiency causing organ enlargement and bone problems. Type 1 is manageable with treatment and patients can live normal lives.

1 in 10 carriers Moderate Ashkenazi Treatable
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BRCA Gene Mutations

Hereditary breast and ovarian cancer predisposition. Significantly higher rates in Ashkenazi Jewish women, with specific founder mutations conferring high cancer risk.

1 in 40 carriers High Risk Ashkenazi
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Cystic Fibrosis

Affects lungs and digestive system with thick mucus production. Higher carrier rates in Ashkenazi Jewish populations. Modern treatments have significantly improved life expectancy.

1 in 24 carriers Severe Ashkenazi Treatable
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Familial Dysautonomia

Affects autonomic nervous system controlling vital functions like breathing, blood pressure, and temperature. Almost exclusively found in Ashkenazi Jewish population.

1 in 31 carriers Severe Ashkenazi
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Canavan Disease

Progressive brain disorder affecting white matter development. Causes severe developmental delays and shortened lifespan. Most common in Ashkenazi Jewish populations.

1 in 60 carriers Severe Ashkenazi
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Niemann-Pick Disease

Lipid storage disorder affecting multiple organ systems. Type A is most severe with neurological involvement, while Type B primarily affects organs without brain involvement.

1 in 90 carriers Severe Ashkenazi
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Bloom Syndrome

Rare genetic disorder characterized by short stature, sun sensitivity, and increased cancer risk. Primarily affects Ashkenazi Jewish populations with distinctive facial features.

1 in 100 carriers Moderate Ashkenazi Supportive Care
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Fanconi Anemia

Inherited bone marrow failure syndrome with increased cancer risk and physical abnormalities. Higher frequency in Ashkenazi Jewish populations with specific mutations.

1 in 89 carriers Severe Ashkenazi Treatable
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Mucolipidosis Type IV

Lysosomal storage disorder affecting vision, development, and motor skills. Almost exclusively found in Ashkenazi Jewish populations with characteristic eye abnormalities.

1 in 100 carriers Moderate Ashkenazi
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Beta-Thalassemia

Blood disorder affecting hemoglobin production, more common in Sephardic Jewish populations from Mediterranean regions. Causes anemia and organ complications.

Variable by region Severe Sephardic
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Glucose-6-Phosphate Dehydrogenase Deficiency

Enzyme deficiency causing hemolytic anemia when exposed to certain triggers. More common in Mizrahi Jewish populations from Middle Eastern regions.

Variable by region Moderate Mizrahi Manageable
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100+

Known Jewish genetic conditions

1 in 4

Ashkenazi Jews carry genetic mutations

90%

Reduction in Tay-Sachs through screening

5

FDA-approved treatments for Gaucher