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Blue Light, the good and bad

You might have heard of it, blue light. But what exactly is blue light and what are sources of blue light? Is it dangerous or good? How does it affect you and should you prevent it? I have the answers for you.

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What is Blue Light?

Just like UV-A and UV-B light, which are harmful to skin and eyes, there is blue light. blue light is a part of the visible spectrum of light.

Spectrum of light

As you can see, the 'Visible Light' is just a tiny part of the Electromagnetic Spectrum, and it's right next to the harmful UV light.

Sources of Blue Light:

  • Sun

  • Cell Phone screen

  • Tablet screen

  • Computer/laptop/TV screen

  • Fluorescent and LED lights

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