but the letter reminds Zhang the FDA has not authorized his use of the procedure in humans. The in-vitro fertilization (IVF) technique involves the donation of mitochondria, which provide energy ...

Zhang said. “You can imagine a makeshift lab in a nursing home or an office or a drive-through testing station,” he said. The FDA issues emergency use authorizations for deployment of ...

The embryo was created in New York, where Zhang's company is based, and was taken to Mexico, where it was implanted in the mother. The FDA says that's not allowed. Since 2015, Congress has ...