Risk Preferences, Rationality of Choices, and Willingness to Pay for Preventive Medicine in Patients with Graves' Thyrotoxicosis.

Almost all risk preferences of patients with Graves' disease are constant, rational, and reproducible in the hyperthyroid and euthyroid states. However, medical professionals should be aware that the willingness of patients with thyrotoxicosis to pay for medical costs may change after the normalization of thyroid function.