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  2. Are gel manicures safe? New study finds UV nail polish dryers ...

    www.aol.com/gel-manicures-safe-study-finds...

    Gel nails are "massively popular," but does a key step in the process raise your risk of skin cancer? Are gel manicures safe? New study finds UV nail polish dryers damage DNA

  3. Health effects of sunlight exposure - Wikipedia

    en.wikipedia.org/wiki/Health_effects_of_sunlight...

    Sunbaker, by Max Dupain. Exposure of skin to ultraviolet radiation from sunlight presents both positive and negative health effects. On the positive side, UV exposure enables the synthesis of vitamin D 3, which is essential for bone health [1] and potentially plays a role in inhibiting certain cancers.

  4. Electromagnetic radiation and health - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_radiation...

    The Sun's UV output is divided into UV-A and UV-B: solar UV-A flux is 100 times that of UV-B, but the erythema response is 1,000 times higher for UV-B. [citation needed] This exposure can increase at higher altitudes and when reflected by snow, ice, or sand. The UV-B flux is 2–4 times greater during the middle 4–6 hours of the day, and is ...

  5. Fluorescent lamps and health - Wikipedia

    en.wikipedia.org/wiki/Fluorescent_lamps_and_health

    An open (single envelope) CFL [12] An encapsulated/closed (double envelope) CFL. Some fluorescent lamps emit ultraviolet radiation. [citation needed] The Health Protection Agency of the United Kingdom has conducted research concluding that exposure to open (single envelope) compact fluorescent lamps (CFLs) for over 1 hour per day at a distance of less than 30 cm can exceed guideline levels as ...

  6. The 12 Best UV Lamps for Nails to Dry Your Polish in Minutes

    www.aol.com/13-best-uv-lamps-nails-184500799.html

    UV LED Nail Lamp. Featuring a near-perfect rating on Amazon and over 49,000 customer reviews, this best-selling nail lamp uses a built-in sensor and adjustable timer to cut down on drying time.

  7. The hidden dangers of acrylic nails and why you might ... - AOL

    www.aol.com/lifestyle/2015-10-22-the-hidden...

    Pay close attention to how strong and think your nails are. Extremely thin nails may not be the best for acrylics. 4. It might be hard to spot, but infection below the nail bed can become all too ...

  8. Blue LED light — a common indicator color but one particularly disruptive to sleep — was such an industry breakthrough that the 2014 Nobel Prize in Physics was awarded to physicists Isamu ...

  9. Biological effects of high-energy visible light - Wikipedia

    en.wikipedia.org/wiki/Biological_effects_of_high...

    Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which in artificial narrowband form has a number of proven negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related ...