[The effect of electromagnetic radiation of wavelength in the millimeter range on bacterial growth]

The study on the growth of E. coli cells under low power microwave irradiation the frequency of which can vary between 70 and 75 GHz, demonstrates that in the neighbourhood of 70.5 and 73 GHz a slowdown of growth is most frequently observed. On the contrary, the survival is not altered as long as the power of the irradiation is low. The irradiation does not induce lesions in DNA, whatever the frequency may be.