Artificial light is toxic to human biology and mental states

‘Various forms of artificial lighting that we depend on contain larger amounts of the blue spectrum than does natural sunlight, which contains the full color spectrum of light. The blue spectrum within artificial lighting is called blue light. Normal incandescent light bulbs emit the least blue light, while fluorescent, LED and other energy-saving lamps with mercury gases are worse.

Blue light is necessary for half a day. It is contained in sunlight and is also part of the “get up and go” associated with daytime activity. It’s what gets plants to open up and see the light, and it signals specific cellular metabolic reactions in our bodies.

Let’s not forget our computer screens’ emissions as well. Computer screens, TVs and iPads emit more blue light than most other forms of artificial lighting. Many of us spend considerable time at night with our faces close to blue-light-emitting electronic devices.’

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