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Researchers had participants break up four hours of sedentary TV-watching with three-minute intervals of body weight exercises every 30 minutes, which resulted in participants sleeping nearly 30 ...
Night vision is the ability to see in low-light conditions, either naturally with scotopic vision or through a night-vision device. Night vision requires both sufficient spectral range and sufficient intensity range. Humans have poor night vision compared to many animals such as cats, dogs, foxes and rabbits, in part because the human eye lacks ...
Photic retinopathy. Photic retinopathy is damage to the eye 's retina, particularly the macula, from prolonged exposure to solar radiation or other bright light, e.g., lasers or arc welders. The term includes solar, laser, and welder's retinopathy and is synonymous with retinal phototoxicity. [ 1] It usually occurs due to staring at the Sun ...
Health effects of sunlight exposure. 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 ...
Asbestos. Asbestos was used in lots of products, from insulation to automobile clutch fittings, fake snow, fire-resistant clothing, and building materials. The naturally-occurring mineral fiber ...
Good news for anyone who permanently decimated their eyebrows with a pair of tweezers and bad lighting: the barely-there brow is making a comeback.
Dannan is excited when her cousin, Gaddie, comes to visit from the United States. She gets jealous, however, when it appears that Ferny and Piggley like Gaddie better than they like her. When Dannan's jealousy gets the best of her and she ruins a fun afternoon, she learns that the best way to deal with bad feelings is to talk about them.
In addition, many skin care ingredients can help in the form of eye creams. Caffeine is a potent vasoconstrictor that has been proven to improve the look of dark circles [16] by constricting, or tightening, the dilated vessels under eyes. Vitamin C can help brighten hyperpigmentation as well as thicken the dermal layer of skin which conceals ...