CURRENT AFFAIRS

Detailed explanation-1: -In 2016, the American Medical Association (AMA) said that LED technology may impact human health. LED lights emit light from the short-wave, high-energy blue and violet end of the visible light spectrum. This light range controls our sleep cycle and correct exposure is important to maintain our circadian rhythm.

Detailed explanation-2: -Blue light boosts alertness, helps memory and brain function, and elevates mood. It regulates your body’s natural wake and sleep cycle (circadian rhythm). Sunlight is also important for the growth and development of eyes and vision in children.

Detailed explanation-3: -Exposure to blue light increases subsequent functional activation of the prefrontal cortex during performance of a working memory task.

Detailed explanation-4: -Sources of High-Energy Blue Light The largest source of blue light is sunlight, but is also emitted by laptops and computer monitors, smartphones, tablets, TV, fluorescent and CFL bulbs.

Detailed explanation-5: -In particular, exposure to LED light with a blue peak in its emission spectrum may have a harmful effect on our health because the blue light suppresses the production of melatonin, a hormone the body starts to produce naturally in the afternoon, reaching maximum levels during the hours of darkness.