“Controversial new research suggests there may be a way to prevent Angelman syndrome, a genetic developmental disorder that can cause seizures, difficulty communicating, and is linked with Autism Spectrum Disorder.

The catch is that in order to get the experimental treatment to work in mice, scientists had to inject CRISPR gene editing enzymes directly into a developing fetus’ brain, according to Spectrum. Gene-hacking fetuses is uncharted ethical territory — where potentially-beneficial, experimental treatments must be balanced with concerns about patient well-being…”