People with Alzheimer's disease are known to have disturbances in their internal body clocks that affect the sleep/wake cycle and may increase risk of developing the disorder. Now, new research at Washington University School ...
Jan 29, 2018
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Every cell in our bodies runs on a 24-hour clock, tuned to the night-day, light-dark cycles that have ruled us since the dawn of humanity. The brain acts as timekeeper, keeping the cellular clock in sync with the outside ...
May 13, 2013
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A new study from University of Alberta geneticists shows that our circadian rhythm has a much more important role than previously thought. It was well established that our internal clock regulates our eating and sleeping ...
Aug 19, 2016
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Tumor cells use the unfolded protein response to alter circadian rhythm, which contributes to more tumor growth, Hollings Cancer Center researchers at the Medical University of South Carolina (MUSC) find. A key part of the ...
Dec 28, 2017
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Disruptions in circadian rhythm—the ways that our bodies change in response to the 24-hour light and dark cycle—have been linked to many different diseases, including cancer. The connection between the two has been poorly ...
Sep 28, 2022
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You may have noticed that women are more prone to sleep disturbances than men. They are, for instance, up to twice as likely to suffer from insomnia than men. Could there be a link between the body clock that regulates sleep ...
Sep 13, 2016
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An innovative new study from the University of Surrey and Cambridge's MRC Laboratory of Molecular Biology, published in the prestigious journal Nature Communications, has uncovered the secrets of the circadian rhythms in ...
Dec 12, 2017
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What if a clock did a better job than a scale at promoting weight loss, improving sleep and preventing diabetes? New research suggests it's about time to consider that possibility.
Dec 5, 2019
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Sunbathers may want to avoid midnight snacks before catching some rays.
Aug 15, 2017
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Synthetic chemicals commonly found in insecticides and garden products bind to the receptors that govern our biological clocks, University at Buffalo researchers have found. The research suggests that exposure to these insecticides ...
Jan 19, 2017
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A circadian rhythm is a roughly-24-hour cycle in the biochemical, physiological or behavioral processes of living entities, including plants, animals, fungi and cyanobacteria (see bacterial circadian rhythms). The term "circadian", coined by Franz Halberg, comes from the Latin circa, "around," and diem or dies, "day", meaning literally "approximately one day." The formal study of biological temporal rhythms such as daily, tidal, weekly, seasonal, and annual rhythms, is called chronobiology.
Circadian rhythms are endogenously generated, and can be entrained by external cues, called Zeitgebers, the primary one of which is daylight. These rhythms allow organisms to anticipate and prepare for precise and regular environmental changes.
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