LEDs produce only visible light and heat. There are no studies with conclusive evidence to support a causal relationship that exposure to any of these will cause cancer. The biggest concern about LED lighting is the possible effects of blue light (not ultraviolet) emitted by LEDs. White LEDs are actually blue LEDs coated with a yellow phosphor. ISO60825 does NOT tell the difference between coherent and incoherent light. You tread an LED exactly as you would a laser: if you apply ISO60825 and determine that the light dose from your LED is intrinsically safe (i.e. class 1), then this is a sound indication, aside from in severe cases of the diseases I mention above. The other factor I
The blue LED light can make cells release chemicals to fight off bacteria and viruses. Together with red LEDs, it makes the Prostate Pack a powerful improving device for prostate diseases. Together with red LEDs, it makes the Prostate Pack a powerful improving device for prostate diseases.
On the other hand, visible light is the part of the light spectrum that is, well, visible. We can see it! Most of us can see wavelengths between about 380 and 700 nm.And blue light is exactly that
Essentially, the larger and brighter an LED light source is, the more dangerous it could be if you stare directly into it. The light from LEDs is not emitted in 360 degrees like other bulbs; the concentration of direction makes these lights more powerful, and therefore potentially more dangerous. Different LED colors are actually more damaging

UVA rays are the main type of light used in tanning beds. They can penetrate windows and clouds. Although not considered a risk for skin cancer, UVC rays can cause severe damage to human eyes

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can red led lights cause cancer