10 Most Interesting and Extremely Rare Genetic Disorders

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5. Hailey-Hailey Disease

Hailey-Hailey Disease affects the armpits, neck, skin folds, and genitals, causing blisters to appear that, most of the time, heal without scarring. The factors that could trigger Hailey-Hailey disease are sunlight, heat, and sweating which causes friction to these areas of the skin.

10 Most Interesting and Extremely Rare Genetic Disorders

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