The total indirect and direct cost of epilepsy in the United States is estimated to be $15.5 billion yearly. This estimate is based on a reported cost of $12.5 billion in 1995 converted to 2004 dollar value using Bureau of Labor Statistics data. 4.
Many patients with adductor type spasmodic dysphonia complain of physical fatigue, tightness of the neck, back, and shoulder muscles and shortness of breath due to their efforts to phonate through the closed glottis. The severity of the symptoms of adductor spasmodic dysphonia varies within and among individuals.
1 This is a long-term voice disorder that causes the voice to fluctuate, seize up or sound quivery and strained. The voice changes are caused by uncoordinated movement of the muscles that control the vocal cords, but the exact cause of spastic dysphonia is not completely understood.  Benign growths on the vocal cords.