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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 has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.
Rachel Leland Levine ( / ləˈviːn /; born October 28, 1957) [ 1] is an American pediatrician who has served as the United States assistant secretary for health since March 26, 2021. [ 2] She is also an admiral in the United States Public Health Service Commissioned Corps . Levine is a professor of pediatrics and psychiatry at the Penn State ...
Exposing skin to the ultraviolet radiation in sunlight has both positive and negative health effects. On the positive side, exposure allows for the synthesis of vitamin D 3. Vitamin D has been suggested as having a wide range of positive health effects, which include strengthening bones [1] and possibly inhibiting the growth of some cancers.
Palep herself was quite concerned with the dosage of the light therapy provided by the masks, as not every patient may require the same amount and duration of the treatment. "The potential dangers ...
While the macula is preserved there is some loss of pigmentation around it. Retinitis pigmentosa ( RP) is a genetic disorder of the eyes that causes loss of vision. [ 1] Symptoms include trouble seeing at night and decreasing peripheral vision (side and upper or lower visual field). [ 1] As peripheral vision worsens, people may experience ...
This article lists notable television series produced and/or owned by past and present divisions and subsidiaries of Paramount Global.. The present divisions and subsidiaries includes CBS Studios, CBS Media Ventures, CBS News, Paramount Media Networks, Awesomeness and Showtime Networks.
It launched the payments program in March after a hack at Change Healthcare on Feb. 21 by a group called ALPHV, also known as "BlackCat", disrupted medical insurance payments across the United States.
A quarter of hospital patients who are unresponsive and don’t physically respond to commands may be doing so mentally, a new study found. The research relied on brain scans of the patients.