Hope for Owens and millions of others experiencing a broad range of previously untreatable, or unsatisfactorily treated, diseases may be near, thanks to a breakthrough that seems more science fiction than medical reality. The remarkable convergence of advances in bioengineering and neurology has resulted in a fast-developing way to treat chronic diseases, known as bioelectronic medicine. These advances allow scientists to identify specific nerves and implant devices that can be activated when needed to stimulate or dial down their activity; that in turn controls cells in organs targeted by those nerves that regulate the body’s many immune and metabolic responses.