by University of Washington Credit: Pixabay/CC0 Public Domain Spasmodic dysphonia is a rare neuromuscular condition that makes people’s voices sound strangled and hoarse. For years doctors have used injections of botulinum neurotoxin (BoNT, clinically, and Botox, familiarly) to quell patients’ muscle spasms within the larynx. Often an injection makes a disordered voice sound more normal for three...
