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Exposing Yourself to Light at Night Shuts Down Your Melatonin and Raises Your Cancer Risk

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  • Reading late at night, watching TV, or sending emails into the wee hours of the morning may be stopping your melatonin production dead in its tracks and depriving you of this hormone’s many health benefits
  • Melatonin is important for the proper functioning of your immune system, scavenging free radicals, reducing inflammation, and helping your body to rid itself of cancer cells; multiple studies point to the role of melatonin in protecting you from multiple types of cancer, including breast cancer
  • Even the slightest amount of light in the white or blue bandwidths is enough to seriously depress your pineal gland’s production of melatonin for the night, which is why sleeping in total darkness is so important
  • Suggestions are given for optimizing your melatonin production, such as the one type of light that does not disrupt your melatonin production
  • Light pollution is a growing problem that has adverse biological effects on plants and animals, particularly birds whose breeding and migration patterns are disrupted

By Dr. Mercola

Can reading yourself to sleep or texting into the wee hours of the morning raise your risk of cancer? You bet it can. Exposing yourself to artificial light at night shuts down your body's production of an important hormone called melatonin.

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