Data Error Undermines Study About Crispr Babies’ Lifespans

  • Senior author of Berkeley study says data contains major flaw
  • The study found potential health problems for the Crispr twins

Gregor Fischer/picture alliance via Getty Images

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Last year, when Chinese scientist He Jiankui created the world’s first gene-edited babies, criticism that he had acted irresponsibly promptly followed.

A scientific study published in June seemed to bolster those criticisms, finding that the genetic mutation He used in an attempt to create twins resistant to HIV may be linked to a shorter lifespan. But on Friday, the June paper’s senior author said his study contained a serious flaw.