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Make Nights Dark – Today’s 10 Minute Eco-Action

Submitted by on Thursday, 29 October 2009No Comment

skylineAccording to Breast Cancer Options, recent studies reveal that there is a 60 percent increased incidence of breast cancer among night shift workers, and researchers have classified night shift work as a possible carcinogen.

Light exposure at night, such as from computer screens, televisions, and street lamps may factor into up to a three to fivefold increase in breast cancer rates. In fact, light at night is considered a major environmental pollutant that disrupts the natural Circadian rhythm. In nature, a person is exposed to bright sunlight during the day, and almost complete darkness at night, and this light and dark juxtaposition is called the Circadian rhythm. The Circadian rhythm triggers the production of melatonin in darkness at night.

Why does lack of melatonin seem connected to breast cancer? Melatonin is anti-estrogenic, and inhibits its release. (Too much estrogen is a cause of breast cancer.) Melatonin is also a tumor-fighting hormone.

If you live in the city, get excellent shades to block out the shine of street lights and light from others’ windows.

–Much of this information came from BreastCancerOptions.Org.

By Annie B. Bond, the best-selling and award-winning author of five healthy/green living books, including Better Basics for the Home (Three Rivers Press, 1999), Home Enlightenment, Clean & Green (1990), and most recently True Food (National Geographic, 2010 and winner of Gourmand Awards Best Health and Nutrition Cookbook in the World). She has authored literally thousands of articles and was named “the foremost expert on green living” by Body & Soul magazine (2009).

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