Five years after the stroke, Iris developed severe symptoms in her body that were more than alarming. Most of her symptoms were nonspecific, including headaches, palpitations, sweating, anxiety, nervousness, abdominal pain, nausea, fatigue, dizziness, intolerance to heat, paresthesias, pain, blurred vision, and diarrhea. Her endocrinologist felt that her symptoms matched with excessive catecholamines.