No they are not, according to a recent study by Professors Anders Pape Møller and Timothy Alexander Mousseau

“Although hormesis is often purported to have a role in adaptation to radiation, we are unaware of even a single study demonstrating hormetic effects of ionizing radiation under field conditions. Again, this boils down to the question of how to make a rigorous test, with reciprocal transplant experiments being the way forward.”

http://www.cell.com/trends/ecology-evolution/abstract/S0169-5347(16)00019-7?_returnURL=http%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0169534716000197%3Fshowall%3Dtrue

Professor Timothy Mousseau will be speaking at our Parliamentary public meeting on March 17th, 2016