[juancampa]

> Hormesis has been observed in a number of cases in humans and animals exposed to chronic low doses of ionizing radiation. A-bomb survivors who received high doses exhibited shortened lifespan and increased cancer mortality, but at low-dose radiation the ratios of cancer deaths in A-bomb survivors are smaller than those of Japanese averages

(from Wikipedia)

I had never heard of hormesis before. Fascinating and a bit counter intuitive