Discussion: discovery.

That could explain a lot. As for the interest by the NHS. Everyone likes an interesting problem and you could be it now...

your vocal chords point the wrong way?
something about talking out of your arse...

Hoping it explains something that can be improved! And yes Nic....something like that....Also explains why I am renowned (by my friend stu who is an enduro rider) for being anoying and talking all the way up hills - stops the vocal cords obstructing my airways if they are being used!