Maybe they were referring to something along the lines of this? (Note: I have not seen the study referenced in my linked article, and cannot vouch for the accur

Maybe they were referring to something along the lines of this? (Note: I have not seen the study referenced in my linked article, and cannot vouch for the accuracy of Flux's statement) http://www.health.harvard.edu/staying-healthy/blue-light-has-a-dark-side http://www.health.harvard.edu/staying-healthy/blue-light-has... "But we do know that exposure to light suppresses the secretion of melatonin, a hormone that influences circadian rhythms, and there’s some experimental evidence (it’s very preliminary) that lower melatonin levels might explain the association with cancer."