“…Although many researchers have suggested overdiagnosis is the cause of rising thyroid cancer incidence rates in the United States, epidemiologists have yet to rule out an actual increase in incidence rates, and furthermore have suggested alternate explanations for the rising rates, including biological or genetic factors, environmental exposure, comorbidity, and lack of treatment adherence. 3,4,9,[15][16][17][18][19][20] Thyroid cancer incidence varies by race/ethnicity. 18,20 According to the National Cancer Institute's Surveillance, Epidemiology, and End Results 18 Program database (SEER 18), from 2000-2014, whites had the highest estimated thyroid cancer incidence rate, followed by Hispanics, Asians, Native Americans, and African Americans.…”