Lights From mobile phones, street lights could up cancer risk say researchers

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Blue Light emitted by outdoor LED screens and heightened risk of cancer, an international team of researchers have concluded that there is a “strong link” between the two, the researchers from the University of Exeter in Britain and the Barcelona Institute for Global Health (ISGlobal) determined indoor exposure to artificial light through personal questionnaires.The outdoor levels of artificial light, such as emitted by street lights, were evaluated for Madrid.

To Examine whether that evening lights could be dangerous, European researchers led by the Barcelona Institute for Global Health compiled data from more than 4,000 people. Participants included those with and without breast and prostate cancers between the ages of 20 and 85.

“There is evidence pointing to an association between exposure to artificial light at night, disruption of the circadian rhythm, and breast and prostate cancers. We sought to determine whether night exposure to light in cities can affect the development of these two types of cancer,” said Manolis Kogevinas, from ISGlobal.

Associate professor of neurology at Northwestern University’s Feinberg School of Medicine Kristen Knutson, according to CNN, said that blue light has a shorter wavelength and higher energy than other types of visible light. And, exposure to this light, reportedly, decreases the release of melatonin in the brain.

Their findings? Brighter bedrooms and areas with heavy outdoor lighting were associated with a higher risk of prostate cancer.

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