Last year I received an email from a young man named Olly Clabburn, who is looking at another aspect of the same symptom, similar to the approach that Jozanne took.
Olly's idea seems brilliant to me, and I hope that he gets a lot of material. My own vocal deterioration seems to have ground if not to a halt, at least to a snail's pace, and people who know me are quite tolerant of my mouth full of marbles. But then I'm one of the few lucky ones.
From I Choose Everything, Jozanne's Diary: