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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. [ 2 ] [ 3 ] While vitamin D can also be obtained through dietary supplements, [ 4 ] UV exposure offers benefits such as enhanced subdermal nitric oxide production and improved ...
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 ...
In 2009, Natural Resources Canada released a report [14] describing the possible UV exposure from several types of lamps. The report states that at 3 cm distance, the recommended daily exposure to ultraviolet radiation for skin and eye damage (if looking directly at the lamp) was attained between 50 minutes and 5 hours depending on the type of ...
Image credits: Anadolu / Getty #4 I Look At The World And I See Absurdity All Around Me. People Do Strange Things Constantly, To The Point That, For The Most Part, We Manage Not To See It.
Quotes about love: 50 love quotes to express how you feel: 'Where there is love there is life' Inspirational quotes: 50 motivational motivational words to brighten your day. Just Curious for more?
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Signs are often used to warn of the hazard of strong UV sources. The eye is most sensitive to damage by UV in the lower UVC band at 265–275 nm. Radiation of this wavelength is almost absent from sunlight at the surface of the Earth but is emitted by artificial sources such as the electrical arcs employed in arc welding.
Quotes about strength and love “The value of love will always be stronger than the value of hate.” —Franklin D. Roosevelt “It is good to love many things, for therein lies the true ...