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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.
5. Eggs. You probably already know that eggs are a fantastic source of protein. They also happen to be packed with biotin, a vitamin often hyped for its nail-strengthening abilities. While ...
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 ...
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 ...
"Drinking milk is as American as Mom and apple pie," began The New York Times' Mark Bittman, in his controversial column that claims milk isn't as good for you as you would think. Even though the ...
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.
The participants could eat the eggs however they chose — scrambled, boiled, fried, poached, etc. ... cholesterol, sometimes called “bad” cholesterol, and HDL (high-density lipoprotein ...
Photodegradation is the alteration of materials by light. Commonly, the term is used loosely to refer to the combined action of sunlight and air , which cause oxidation and hydrolysis . Often photodegradation is intentionally avoided, since it destroys paintings and other artifacts.