"Over time, many of them became very sick — losing teeth, suffering from broken bones, and developing terrible jaw problems — ...

A person with paralysis who cannot move their mouth can still attempt to make that movement, which produces unique neural signals in the brain. Those signals are then decoded into speech.

Scientists Edited Genes Inside a Living Person for the First Time—and Saved His Life. ... This can have deadly consequences, impact brain development, and wreak havoc on the liver.