Is Blue Light Bad For You

No blue light from your smartphone is not blinding you aug.

Is blue light bad for you.

It regulates circadian rhythm the body s natural wake and sleep cycle. Exposure to blue light during daytime hours helps maintain a healthful circadian rhythm. It boosts alertness helps memory and cognitive function and elevates mood. Until the advent of artificial lighting the sun was the major source of lighting and people spent their evenings in relative darkness.

Specialized cells in the retina are finely tuned to respond to the short wavelength light that comes from a cloudless blue sky. As light rays hit those cells they tell the brain to stop pumping. 20 2018 when you stare at a screen for hours at a time whether it is a computer tv phone or tablet you are exposed to blue light from the device. It s well documented that some blue light exposure is essential for good health.

Blue light is needed for good health. But there is no scientific evidence that blue light from digital devices causes damage to your eye. Although it is environmentally friendly blue light can affect your sleep and potentially cause disease.