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Abundant visible light to the eyes gives health benefits through its association with the timing of melatonin synthesis, maintenance of normal and robust circadian rhythms, and reduced risk of seasonal affective disorder. [10] On the negative side, UV is a mutagen and carcinogen for skin.
Peripheral vision, or indirect vision, is vision as it occurs outside the point of fixation, i.e. away from the center of gaze or, when viewed at large angles, in (or out of) the "corner of one's eye". The vast majority of the area in the visual field is included in the notion of peripheral vision. "Far peripheral" vision refers to the area at ...
Normal acceleration "a i" for a passenger vehicle from a stop up to 20 mph is about 0.15g, with more than 0.3g being difficult to exceed. [124] The distance " d i " is the sum of the measured limit line setback distance—which is typically regulated by a Manual on Uniform Traffic Control Devices , at often between 4 and 30 feet in the United ...
Traffic collision. A traffic collision, also known as a motor vehicle collision, or car crash, occurs when a vehicle collides with another vehicle, pedestrian, animal, road debris, or other moving or stationary obstruction, such as a tree, pole or building. Traffic collisions often result in injury, disability, death, and property damage as ...
The two ages with the largest molecule and microbe changes, scientists found, occur when a person is in their mid-40s and early 60s. “We expected the changes in the 60s because this is when ...
A new study found that there are two specific periods when the human body experiences drastic bursts of aging ... Rather than aging being a gradual process, the human body actually experiences two ...
Knowing your family’s eye health history, eating a diet rich in fruits and vegetables, maintaining healthy blood sugar levels and avoiding smoking can also prevent vision loss, the agency added.
In neuroscience, nerve conduction velocity ( CV) is the speed at which an electrochemical impulse propagates down a neural pathway. Conduction velocities are affected by a wide array of factors, which include age, sex, and various medical conditions. Studies allow for better diagnoses of various neuropathies, especially demyelinating diseases ...