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  2. Fluorescent lamps and health - Wikipedia

    en.wikipedia.org/wiki/Fluorescent_lamps_and_health

    Fluorescent bulbs contain mercury, a toxic substance. The United States Environmental Protection Agency (EPA) provides safety guidelines for how to clean up a broken fluorescent bulb. [17] Mercury can be harmful to children and developing fetuses, so children and pregnant women should avoid being in the area whilst a broken bulb is cleaned up. [18]

  3. Compact fluorescent lamp - Wikipedia

    en.wikipedia.org/wiki/Compact_fluorescent_lamp

    A compact fluorescent lamp (CFL), also called compact fluorescent light, energy-saving light and compact fluorescent tube, is a fluorescent lamp designed to replace an incandescent light bulb; some types fit into light fixtures designed for incandescent bulbs.

  4. These are the best — and worst — lightbulbs for the planet

    www.aol.com/lifestyle/best-worst-lightbulbs...

    Compact Fluorescent Lights (CFLs) CFLs are also a more energy-efficient option than incandescents — 75% more efficient. If every household in the U.S. replaced one incandescent bulb with a CFL ...

  5. Cold cathode - Wikipedia

    en.wikipedia.org/wiki/Cold_cathode

    Some types contain a source of beta radiation to start ionization of the gas that fills the tube. [5] In some tubes, glow discharge around the cathode is usually minimized; instead there is a so-called positive column, filling the tube. [6] [7] [note 2] Examples are the neon lamp and nixie tubes. Nixie tubes too are cold-cathode neon displays ...

  6. United States lighting energy policy - Wikipedia

    en.wikipedia.org/wiki/United_States_lighting...

    The complete compact fluorescent lamp (CFL) includes the Edison screwbase and plastic housing, the electronic ballast, and the fluorescent lamp which is formed into a spiral shape. [4] Improvements in technology have allowed fluorescent lamps with color temperature and color rendition comparable to incandescent lighting.

  7. The 6 most common headache types — and when to see a doctor

    www.aol.com/6-most-common-headache-types...

    They are divided into two main categories – primary, caused by overactivity or dysfunction in the pain-sensitive areas of the head, or secondary, where an underlying medical condition causes the ...