Life span, cancer and non-cancer diseases in mouse exposed to a continuous very low dose of gamma-irradiation.

Purpose: To analyse the life-span and pathologies of mice living under a continuous very low-dose gamma-irradiation.

Material And Methods: We exposed 300 C57B1/6J female mice, 3 weeks old, to 10 cGy year(-1) gamma-rays while 300 control mice lived in the same room. Irradiation was delivered continuously by thorium nitrate.