http://www.newsweek.com/forever-chemicals-pfas-thyroid-cancer-risk-1837269 > Several "forever chemicals" found nearly everywhere in our day-to-day lives have been linked to thyroid cancer, new research has found. > Certain per- and polyfluoroalkyl substances (PFAS), commonly known as "forever chemicals" due to their resistance to breaking down in the environment, have been associated with a 56 percent increased risk of thyroid cancer diagnosis. This is according to new research published in the journal eBioMedicine.