Sleeping in total darkness can decrease toxic effects of radiotherapy in breast cancer therapy

A team of researchers from Tulane University School of Medicine has found that disruption of circadian rhythms (an internal biological clock) by night shift work or disturbed sleep-wake cycles, makes breast cancer patients resistant to tamoxifen, due to disruption of melatonin production. Moreover, melatonin can decrease the toxic effects of radiotherapy and chemotherapy.

Radiation Therapy News