Dr. Mehmet Oz is host of the popular TV show “The Dr. Oz Show.” He is a professor in the Department of Surgery at Columbia University and directs the Cardiovascular Institute and Complementary Medicine Program and New York-Presbyterian Hospital.

Dr. Mike Roizen is chief medical officer at the Cleveland Clinic Wellness Institute, an award-winning author, and has been the doctor to eight Nobel Prize winners and more than 100 Fortune 500 CEOs.

 

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Tags: blue light | cancer | obesity | dr. oz

Nighttime Blue Light Raises Cancer Risk

By and Wednesday, 26 August 2020 11:58 AM Current | Bio | Archive

When Chuck Berry sang "The House of Blue Lights," he extolled that nightspot's great eats and music: "Fryers and broilers and Detroit barbecue ribs" and "an eight-beat combo that just won't quit."

These days, exposure to blue lights — emitted by most white LEDs and many tablet and phone screens — is nothing to sing about.

We've long known that blue light from your phone or tablet messes with your sleep-wake cycle and is associated with obesity, especially in night-shift workers.

Now scientists from the Barcelona Institute for Global Health have published research in the journal Epidemiology that for the first time explores the association between nighttime exposure to outdoor artificial light and colorectal cancer.

Their conclusion: Exposure to the blue light spectrum may increase your risk for this common cancer.

In fact, study participants with the highest exposures to blue light had a 60% higher risk of developing colorectal cancer than those with far less exposure.

This builds on the institute's earlier study that found exposure to nighttime blue light increases the risk for breast and prostate cancers.

What can you do to limit your exposure? It comes down to three smart steps:

1. In the evening, turn on the blue-light filter on your phones, tablets, and computers.

2. Install blackout curtains and/or shades on bedroom windows to keep outdoor light from invading your space.

3. Install blue-free bulbs (they do exist; some with whiter-appearing light than others) in nightlights, as well as in all bedroom and bathroom lights.

© King Features Syndicate


   
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Scientists have published research in the journal Epidemiology that for the first time explores the association between nighttime exposure to outdoor artificial light and colorectal cancer.
blue light, cancer, obesity, dr. oz
248
2020-58-26
Wednesday, 26 August 2020 11:58 AM
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