20. Having an Extra Digit is Not Uncommon
One common genetic abnormality among Amish communities is called Ellis-van Creveld syndrome, and it causes polydactyly, usually expressed as the presence of an extra digit. Amish parents are not often surprised to hear that their precious bundles of joy have eleven fingers or eleven toes. The condition is harmless, and in areas with a high prevalence, does not even lead to social stigma.
