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  2. Electromagnetic radiation and health - Wikipedia

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

    Shortwave. [edit] Shortwave (1.6 to 30 MHz) diathermy (where EM waves are used to produce heat) can be used as a therapeutic technique for its analgesic effect and deep muscle relaxation, but has largely been replaced by ultrasound. Temperatures in muscles can increase by 4–6 °C, and subcutaneous fat by 15 °C.

  3. Health effects of sunlight exposure - Wikipedia

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

    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 D3, which is essential for bone health [1] and potentially plays a role in inhibiting certain cancers. [2][3] While vitamin D can also be obtained through dietary ...

  4. This Is The 1 Thing An Eye Doctor Says You Should Never Do ...

    www.aol.com/1-thing-eye-doctor-says-120017349.html

    Listen to the full episode by pressing play: ″ [Sleeping with contact lenses in your eyes] is bad. It’s real bad. Don’t do it,” Redfern told us, adding that this even applies to naps ...

  5. Life review - Wikipedia

    en.wikipedia.org/wiki/Life_review

    Life review[a] is a phenomenon widely reported in near-death experiences in which people see their life history in an instantaneous and rapid manifestation of autobiographical memory. Life review is often described by those who have experienced it as "having their life flash before their eyes". The experience often changes the way people view ...

  6. Phrases from The Hitchhiker's Guide to the Galaxy - Wikipedia

    en.wikipedia.org/wiki/Phrases_from_The_Hitchhiker...

    "Life, the universe, and everything" is a common name for the off-topic section of an Internet forum, and the phrase is invoked in similar ways to mean "anything at all". Many chatbots, when asked about the meaning of life, will answer "42". Several online calculators are also programmed with the Question.

  7. Not Everyone Needs the Same Amount of Sleep. Here's Why - AOL

    www.aol.com/not-everyone-needs-same-amount...

    Other findings suggest that women fall asleep a bit faster than men, meaning that they enter their sleep cycle with an edge of a few minutes. And then, of course, there’s the burden of caring ...

  8. Does staring at screens ruin your eyes? - AOL

    www.aol.com/article/2014/02/27/does-staring-at...

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  9. Macular degeneration - Wikipedia

    en.wikipedia.org/wiki/Macular_degeneration

    8.7% global prevalence in 2020 [ 2 ] Macular degeneration, also known as age-related macular degeneration (AMD or ARMD), is a medical condition which may result in blurred or no vision in the center of the visual field. [ 1 ] Early on there are often no symptoms. [ 1 ] Over time, however, some people experience a gradual worsening of vision ...