Biological effects of high power microwaves

Rats were exposed to 2 different sources of high power microwaves (HPM). This study shows small behavioural effects, some biochemical changes after an acute exposure (GFAP increase), and an increased cancer incidence after chronic exposure. If the observed increased risk of cancer is not due to residual X-rays, this study suggests that behavioural tests are not helpful to detect long-term effects of a chronic exposure, maybe with the exception of rotarod, performance of which is paradoxically improved