LED Equals Healthy Lighting

1.LIGHT FREQUENCY / FLICKERING:
The flicker and glare of fluorescent and incandescent lighting has been argued by countless doctors and researchers as a major cause of headaches, migraines, eye strain, stress, anxiety, and fatigue in the workplace. It is also one of the most difficult lighting problems to address. Light flickering occurs because of slight voltage fluctuations and also overuse of fluorescent bulbs and ballasts. While still visibly producing light, many fluorescent lamps and ballasts are well beyond their recommended lifespan and should be changed. In addition, the ultraviolet (UV) light produced inside the fluorescent light tube also fluctuates (despite the age of the light or the voltage fluctuations). Flickering frequency above 40-50 cycles per second is generally not visible by the human eye, although the human sensory system will unconsciously recognize the flickering and cause headaches, migraines, fatigue, and even forms of depression such as Seasonal Affective Disorder (SAD).

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2.HEALTH BENEFITS OF SOLID STATE LIGHTING:
Solid-State LED lighting is mercury free, and most LEDs produce a narrow band of light which is outside the UV spectrum, emitting no UV rays. LEDs do not use a ballast, which is a primary cause of flickering and headaches (in addition to heavy maintenance costs of fluorescent lighting). A CCT of 5500K with a high CRI (most commonly offered by LED lighting) is considered natural daylight white, and is often used in modern lighting treatments as "Light box Therapy" for Seasonal Affective Disorder and some sleep disorders.
In addition, many researchers have proven that the ultra-violet rays emitted by compact fluorescent light bulbs (CFLs) yield significant levels of UVC and UVA. UVC and UVA penetrate deepest into the skin and may cause damage to skin cells, faster aging, and increased risk of cancer. These levels of UVC and UVA are apparent due to cracks in the phosphor coating of the bulbs, and it is recommended to cover CFLs and avoid using them at close distances.