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City lights now proven to sharply increase the risk of cancer due to “blue light” wavelengths from common LEDs

A new study has found that exposure to artificial lighting at night can raise a person’s risk of developing prostate or breast cancer.  The study, which was carried out by Spanish researchers, looked at people’s exposure to outdoor artificial light from streetlights using satellite imagery from the International Space Station along with their exposure to indoor artificial light as self-reported in questionnaires. They studied more than 4,000 people with and without breast and prostate cancer from 11 regions in Spain from 2008 to 2013, examining the blue light spectrum data for each person’s longest residence.  Read more...

 

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