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Are There Benefits to Blue-Blocking Glasses?

blue light rich sunlight

Story at-a-glance -

  • Exposure to artificial light at the wrong times of day is one of the largest often-overlooked health risks of living in the 21st century
  • Blocking blue light serves an important biological purpose, helping to regulate your internal clock to control sleep patterns and other body functions; avoiding blue light at night is crucial to protecting your health
  • One of the least expensive and simplest ways to protect your body’s internal rhythm, and thereby support healthy sleep and a lowered risk of many chronic diseases, is to wear blue-light-blocking glasses at night

By Dr. Mercola

You may remember the blue-blocking sunglasses that were popular in the U.S. in the 1980s. The glasses, with their amber-colored lenses, had a bit of a cult following and were perhaps best known for how clear they made regular objects appear.


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