At various times the symptoms of the disorder known as chronic fatigue syndrome were attributed to all of the following EXCEPT .

Question

Quizplus · Accepted Answer

While chronic fatigue syndrome was initially attributed to viral infections and environmental toxins, there is no evidence of brain atrophy in individuals with the disorder. Clinical depression has also been considered as a possible cause of symptoms, but it is not the only potential cause.

At Various Times the Symptoms of the Disorder Known as Chronic