text: Common risk<unk>  in the development of toxic<unk>   include iodine deficiency, young adult age, head and neck irradiation, family history of thyroid nodules, and female gender.
option_0: Toxic Adenoma risk factors
option_1: Acinic cell carcinoma risk factors
option_2: Barrett's esophagus risk factors
option_3: Laryngeal cancer risk factors
option_4: Mucoepidermoid carcinoma risk factors
option_5: Vulvar cancer risk factors
option_6: Toxic Adenoma laboratory findings
option_7: Stomach cancer other diagnostic studies