Can you get cancer from screens

For these reasons, shift work with frequent night shifts was made by the International Agency for Research on Cancer (IARC) - a WHO facility - classified as possibly carcinogenic.

Manolis Kogevinas, researcher at the above ISGlobal in Barcelona and head of the new study stated:

"There is evidence of a connection between artificial light at night, the disrupted day-night rhythm and the development of breast and prostate cancer."

“The blue light components in particular reduce melatonin production,” adds Martin Aubé, professor of physics at CÉGEP in Sherbrooke, Canada and co-author of the study.

Artificial light increases the risk of breast and prostate cancer

The scientists had evaluated the data from more than 4,000 people between the ages of 20 and 85 years. The extent to which these people were exposed to artificial light was not only found out via questionnaires, but also via night photos of the earth's surface that were taken by astronauts from the International Space Station. After all, the light smog in cities leads to enormous nocturnal light exposure of the respective residents.

The results showed that people who were exposed to particularly high levels of blue light at night had a 1.5 to 2-fold increased risk of developing breast cancer or prostate cancer - compared to residents who were able to sleep in the dark at night.

So take care of an undisturbed night's sleep in the dark, use halogen lamps instead of LED lamps or even candlelight and use screens (laptop, smartphone, tablet, etc.) as rarely as possible in the hours before going to bed. You can find more information and tips on how to raise the melatonin level at night and how to reduce the blue light component of devices, described here: Increase melatonin levels naturally

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  • Ariadna Garcia-Saenz, Manolis Kogevinas et al., Evaluating the Association between Artificial Light-at-Night Exposure and Breast and Prostate Cancer Risk in Spain (MCC-Spain Study). Environmental Health Perspectives, 2018
  • Barcelona Institute for Global Health (ISGlobal), Study links night exposure to blue light with breast and prostate cancer: Researchers used images taken by astronauts to evaluate outdoor lighting in Madrid and Barcelona, ​​ScienceDaily, April 25, 2018

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