I think that we should believe nothing that we don't understand ourselves.. to our benefit, we live in the information age and this yields many advantages. So. Let's all reap the benefit from it! Now! Not in 50 years! We need to understand that Stuttering is much broader than Speaking. What if you learned there were non-speech behaviors that people “stuttered” on?  What if golfers froze mid-swing and lost the ability to complete their swing?  What if sometimes dart-throwers’ arms involuntarily froze under pressure and they could not release the dart? What if these same golfers and dart-throwers could perfectly make these motions in practice but not in competition? Doesn’t that sound a lot like stuttering? What if you learned people stuttered in sign language just like they do in verbal speech? So there is so much information on stuttering online. It's time we synthesize it