Circadian disruption, shift work and the risk of cancer: a summary of the evidence and studies in Seattle
Cancer Causes Control. 2006 May;17(4):539-45.
Davis S, Mirick DK.
Increased risk of breast cancer associated with indicators of exposure to light-at-night and night shift work and decreased nocturnal of 6-sulphatoxymelatonin associated with exposure to 60-Hz magnetic fields in the bedroom the same night.
Light-at-night, night shift work, 60-Hz magnetic fields.