The best lamp, according to lighting designers, is what makes a difference in a space, and it can, indeed, change dramatically by the proper colour temperature evoked in the atmosphere. 

Lighting technology has been turned on its head. Twenty years ago, three-pin incandescent bulbs lit rooms everywhere; today, almost every light fitting still comes complete with LEDs. This shift plays to the advantage of layered lighting schemes: LED installations are also two times more energy-friendly and cost-effective than their predecessors, making layered lighting schemes easier to install and more affordable. 

Recent Harvard Health reports indicate that exposure to blue light from both screens and LEDs may be responsible for a number of health issues, including cancer, diabetes, heart disease, and obesity. Good news about blue light is that it has such a short wavelength, it is really useful during the day as it makes us feel good and pay attention. The bad news is that it messes with our circadian rhythms and our sleep in the evening. 

While there is nothing to prove night blue light exposure causes such health problems, the medical community takes this seriously, and so does the study. 

We still do not know much about how long-term effects work for LED lighting, but this much is sure: they are here to stay. The incandescent bulbs were banned in the EU, replacing those lamps completely with energy-efficient alternatives in 2012. The first CFLs- their bulky, coiled bulbs-replaced incandescent bulbs but were sensitive to mercury and demanded much caution for disposal. LEDs were once deemed suitable for holidays alone but have now become the norm in the industry. 

Monica Duggan of Willie Duggan Lighting overwhelmingly said that it’s astounding. We embraced the LED technology but are now working to replace warmth of incandescent bulbs we had broken up with some years ago. The dialogue about light and health is gaining momentum. Though LED technology is great to save energy, our eyes are very sensitive to even slight changes in lighting. We evolved around campfire! Duggan remarks. 

LEDs are not all the same quality. Some choices are really bright and have fantastic light quality but Duggan notes that all LED bulbs use blue light technology. “Generally, warmer and dimmer lights emit less blue light, but even filtered LEDs still have that blue light spike.” 

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