LED и здоровье
Photobiologists warn: LED lights are harmful to health

While LED (light emitting diodes) lights have been touted as a solution for our lighting needs in the 21st century, not all experts are on board with…
Электрическая лампочка со здоровым светом
Ecological light

What is a filament LED lamp and how do they affect human health? What to choose a simple LED or a filament bulb?