(Medical Xpress)—Light is inextricably intertwined in myriad ways with most life on Earth. In humans, for example, light stimulates alertness and cognition, improving performance and increasing wakefulness. In a recent ...
Much of the damage that ultraviolet radiation (UV) does to skin occurs hours after sun exposure, a team of Yale-led researchers concluded in a study that was published online Feb. 19 by the journal Science.
Feb 19, 2015
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Exposure to higher levels of light can help people feel more awake and increase cognitive performance, probably by influencing the activity of parts of a brain region called the hypothalamus, according to new research.
Apr 23, 2024
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The world's largest study on light exposure and its impact on mental health, with almost 87,000 participants, has found that increased exposure to light at night increases a person's risk for psychiatric disorders such as ...
Oct 9, 2023
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Whether we're night owls or morning larks, our body clocks are set by the sun. Theoretically, changing day length and light exposure over the course of the year could affect the duration and quality of our sleep. But figuring ...
Feb 17, 2023
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Nearly 20 years ago, scientists developed ways to stimulate or silence neurons by shining light on them. This technique, known as optogenetics, allows researchers to discover the functions of specific neurons and how they ...
Dec 7, 2022
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The damaging effects of daily, lifelong exposure to the blue light emanating from phones, computers and household fixtures worsen as a person ages, new research by Oregon State University suggests.
Jul 27, 2022
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Close the blinds, draw the curtains and turn off all the lights before bed. Exposure to even moderate ambient lighting during nighttime sleep, compared to sleeping in a dimly lit room, harms your cardiovascular function during ...
Mar 14, 2022
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Organophosphates are among the most commonly used classes of pesticides in the United States, despite mounting evidence linking prenatal exposure to the chemicals to poorer cognition and behavior problems in children.
Aug 27, 2019
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From burning your palm on a hot pan handle to memorizing the name of a new acquaintance, "anytime you experience something, your neurons are active," says Kelsey Tyssowski, a graduate student in genetics at Harvard Medical ...
Apr 27, 2018
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