Commentary on Inhaled 239PUO2 in Dogs — A Prophylaxis Against Lung Cancer?
نویسندگان
چکیده
Several studies on the effect of inhaled plutonium-dioxide particulates and the incidence of lung tumors in dogs reveal beneficial effects when the cumulative alpha-radiation dose is low. There is a threshold at an exposure level of about 100 cGy for excess tumor incidence and reduced lifespan. The observations conform to the expectations of the radiation hormesis dose-response model and contradict the predictions of the LNT hypothesis. These studies suggest investigating the possibility of employing low-dose alpha-radiation, such as from (239)PuO2 inhalation, as a prophylaxis against lung cancer.
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