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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.
Psychiatry, sleep medicine. Nocturnal sleep-related eating disorder ( NSRED) is a combination of a parasomnia and an eating disorder. It is a non-rapid eye movement sleep (NREM) parasomnia. [1] It is described as being in a specific category within somnambulism or a state of sleepwalking that includes behaviors connected to a person's conscious ...
For the past 30 years, Theresa has been sniffing gasoline out of a water bottle. Her addiction has gotten so bad that she can’t go more than ten minutes without a sniff. She even wakes up in the middle of the night for a good sniff. Theresa suffers from memory loss, stomach problems and anemia, but still refuses to quit.
People who struggle with orthorexia tend to focus on not eating anything “harmful,” “damaging,” or “bad,” Rugless says. Instead, they consume foods they believe are “pure,” or ...
Despite their popularity, blue light-blocking glasses probably don’t do much to reduce eyestrain, help keep people alert or improve sleep, according to a meta-analysis looking at 17 studies ...
Check out these smart famous glasses wearers: Researchers at the University Medical Center in Germany linked spending more time in school and People who wear glasses are smarter, study claims Skip ...
Computer vision syndrome. Computer vision syndrome ( CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time and the eye's muscles being unable to recover from the constant tension required to maintain focus on a close object.
Not really. "Some people need glasses when they're young—before 45," explains , of Cleveland Clinic’s Cole Eye Institute. "If you don't need glasses before your 40s, chances are you will need ...