Joey Kurtzman

Conflicts of Interest Dr. Steven Koehler is a committee member of the American Society for Surgery of the Hand (ASSH), a paid consultant and speaker for Integra LifeSciences Inc., a paid consultant for Tissium Inc., a stockholder and member of the medical advisory board for Reactiv Inc., and a speaker for TriMed Inc. The other authors declare no conflicts of interest.

Genetically, Ashkenazi Jews are freaks. For most of Jewish history in Europe, cherem-wielding rabbis and an unwelcoming Gentile world made inbreeding a far more appealing option than intermarriage. As a result, Ashkenazim became what scientists call an “endogamous group,” which is another way of saying that they have been sleeping with their cousins for a thousand years.