2. Jumping Frenchmen of Maine
Jumping Frenchman of Maine is not a person jumping but it is a genetic disorder. Basically a person with the disorder suffers from extreme startle reaction. The cause is still unknown, but the disorder will usually occur in the teenage years.
![10 Most Interesting and Extremely Rare Genetic Disorders](https://imonkey-blog.imgix.net/blog/wp-content/uploads/2017/04/13172704/shutterstock_383964802-750x500.jpg?auto=fortmat&fit=clip&expires=1770768000&width=480&height=320)
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