I really don't see how low-level radiation can be good for us. If it is then cell phones should also prevent brain cancer.
http://www.globalchange.com/radiation.htm
I agree with eggoa who said that this article must have a political agenda.
http://www.globalchange.com/radiation.htm
I agree with eggoa who said that this article must have a political agenda.
A theoretical mechanism is that small stresses activate but do not overwhelm beneficial protective/repair mechanisms.