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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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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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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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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Exposing preschoolers to an hour of bright light before bedtime almost completely shuts down their production of the sleep-promoting hormone melatonin and keeps it suppressed for at least 50 minutes after lights out, according ...
Mar 5, 2018
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New research published in The Journal of Physiology has illuminated the effects of night-time light exposure on internal body clock processes. This is important for helping those who have poor quality sleep, such as shift ...
Apr 30, 2018
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A surprising new strategy for managing your weight? Bright morning light. A new Northwestern Medicine study reports the timing, intensity and duration of your light exposure during the day is linked to your weight—the first ...
Apr 2, 2014
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Along with eating right and exercising, people should consider adding another healthy habit to their list: turning out the lights. That's according to a new study reported in the Cell Press journal Current Biology on July ...
Jul 14, 2016
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(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 ...
Eighty years ago, when sun exposure was first associated with skin cancer, popular culture was exalting tanning by emphasizing that a "fine brown color suggests health and good times, and is a pleasant thing to see."
Feb 11, 2016
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