Fatigue and poor health, anxiety and depression (physiological, affective and cognitive factors) may have a major impact on patients with functional dysphonia, leading to time off work, reduced activity, and social withdrawal, all of which could further perpetuate and/or cause anxiety, low mood, fatigue and reduced voice use, according to new research published in the June 2011 issue of Otolaryngology -- Head and Neck Surgery.

Read more http://www.eurekalert.org/pub_releases/2011-06/aaoo-ilo052511.php