The Teachers’ Voice

Not that this shouldn’t be studied and remedies found, but I think the cause of the problem is sort of self-evident.

Scientists probe why teachers suffer more voice-related problems

Teachers give instruction out loud all day and mostly in a louder than a normal speaking voice. My voice goes even after giving brief presentations. Just training someone for an hour at my desk takes its toll, and on more than just my voice. I don’t know how teachers do it.