Harmful effects of CFL bulbs to skin; Energy-efficient bulbs safest when placed behind additional glass cover

In a new study, researchers looked into the potential impact of healthy human skin tissue (in vitro) being exposed to ultraviolet rays emitted from compact fluorescent light (CFL) bulbs. Results revealed significant levels of UVC and UVA, which appeared to originate from cracks in the phosphor coatings, present in all CFL bulbs studied.

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