Ku qor sii wadida faqradan - Waxaa loo beddelay Xarunta Ciidanka ee Kiimikada-Daawooyinka 1976kii, marka laga reebo soo saarista xashiishadda caafimaadka ee leh dalagyada biyo-soo-saarka, machadku wuxuu sidoo kale soo saaraa shan daawo oo agoon ah oo kala duwan, iyo sidoo kale ilaalinta kaydka qaran ee ka-hortagga haddii ay dhacdo sunta ballaaran, weerarada argagixisada, iyo masiibooyinka nukliyeerka, iyadoo lala kaashanayo Wasaaradda Caafimaadka oo maamusha shabakad bakhaarro ah oo ku taal Gobol kasta. Gaar ahaan, xaruntu waxay ku lug lahayd dadaallada gargaarka inta lagu gudajiray masiibooyin dabiici ah iyo kuwo dadku sababeen, oo ay ku jiraan daadadkii Florence ee 1966, dhulgariirkii Friuli
1976, dhulgariirkii Irpinia ee 1980, iyo sidoo kale musiibadii nukliyeerka ee Chernobyl ee 1986, taas oo machadku soo saaray 500 kun oo kiniin oo ah potassium iodide wax ka yar 24 saacadood, si loola dagaallamo dhaawaca qanjirka 'thyroid' ee ay sababaan Iodine-131. Xaruntu waxay sidoo kale ku lug lahayd soo saarista daawooyinka iyo sahayda caafimaadka ee gargaarka caalamiga ah, sida intii lagu jiray kacaanka Romania ee Diseembar 1989.