|Exposure duration||continuous for 2 h|
|Pulse width||2 µs|
|Packets per second||500|
Data showed that the radiofrequency exposure significantly increased DNA double-strand breaks in brain cells of the rat. The effect was partially blocked by treatment with naltrexone. Thus, the results indicate that endogenous opioids play mediating role in radiofrequency exposure-induced DNA double-strand breaks in rat brain cells.