Is Blue Light Bad For You

Research has shown that high energy visible light boosts alertness helps memory and cognitive function and elevates mood.

Is blue light bad for you.

Studies have suggested that blue light is an especially powerful melatonin suppressant. 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. Although it is environmentally friendly blue light can affect your sleep and potentially cause disease.

Until the advent of artificial lighting the sun was the major source of lighting and people spent their evenings in relative darkness. It boosts alertness helps memory and cognitive function and elevates mood. But there is no scientific evidence that blue light from digital devices causes damage to your eye. It regulates circadian rhythm the body s natural wake and sleep cycle.

It s well documented that some blue light exposure is essential for good health. Exposure to blue light during daytime hours helps maintain a healthful circadian rhythm. 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.