Working against our endogenous circadian clock: Breast cancer and electric lighting in the modern world.

@article{Stevens2009WorkingAO,
  title={Working against our endogenous circadian clock: Breast cancer and electric lighting in the modern world.},
  author={Richard G. Stevens},
  journal={Mutation research},
  year={2009},
  volume={680 1-2},
  pages={106-8}
}
Breast cancer incidence increases rapidly as societies industrialize. Many changes occur during the industrialization process, one of which is a dramatic alteration in the lighted environment from a sun-based system to an electricity-based system. Increasingly, the natural dark period at night is being seriously eroded for the bulk of humanity. Based on the fact that light during the night can suppress melatonin, and also disrupt the circadian rhythm, it was proposed in 1987 that increasing use… CONTINUE READING