blue light

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Is Your Cell Phone Trying to Kill You? New Study Says 'Maybe'

Study links blue-light emission with two kinds of cancer

(Newser) - Love that blue light? You might want to back away, according to a sobering new study . An international team of researchers led by the Barcelona Institute for Global Health has found that exposure to blue light at night may increase your risk of developing breast or prostate cancer, reports Science ... More »

Smartphone at Bedtime? You Are Not Getting Very Sleepy

May have to do with the screen's blue light suppressing melatonin, the sleep hormone

(Newser) - The more time we spend on our smartphones, the more our quality of sleep suffers. So conclude researchers in a new study in the journal PLoS ONE . "This is the first study to directly measure actual screen time in natural environments and compare it to sleep quality," the... More »

Wear Orange Glasses to Get Better Shut-Eye

Tinted eyewear, filters block blue light emitting from electronic devices: study

(Newser) - You may be tempted to stay up to check out all the new late-night TV hosts , but make sure you've got your orange glasses on first. Various studies and expert opinion suggest that special filters, light bulbs, and the aforementioned orange-tinted eyewear can help block melatonin-disrupting blue light emitted... More »

Physics Nobel Goes to 3 Who Produced Blue Light

Isamu Akasaki, Hiroshi Amano, Shuji Nakamura win

(Newser) - Isamu Akasaki and Hiroshi Amano of Japan and American scientist Shuji Nakamura won the Nobel Prize in physics today for the invention of blue light-emitting diodes (LEDs)—a new energy-efficient and environment-friendly light source. The Royal Swedish Academy of Sciences says the invention is just 20 years old, "but... More »

Light at Night May Interfere With Breast Cancer Drug

Even dim light suppresses melatonin, which appears to make tumors resist treatment

(Newser) - Light at night has already been widely linked to poorer sleep quality , but now even dim light is being shown to interfere with a breast cancer drug's ability to do its job. So says a new study on rats out of Tulane University School of Medicine, which found that... More »

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