Warren, 49, had his scrotum surgically removed last year. Before his scrotum surgery, he weighed 500 pounds. As shown in the clip above, he had great difficulty moving and sitting up, making it impossible for him to work. "I don't even know if there are words that I can say at this point to describe the agony of the situation," he said in the documentary.
Warren told reporters in the past that the abnormality had caused him to suffer from depression.
Doctors still do not know what caused the enlargement.