New research led by UCLA Health confirms that both tai chi and cognitive behavioral therapy can reduce insomnia in breast cancer survivors but also may provide additional health benefits by reducing inflammation and bolstering ...
Jun 26, 2024
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Avoiding bright light at night could be a simple way to reduce your risk of diabetes, a Flinders University study shows.
Jun 25, 2024
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Nine researchers from around the world have published a summary of the most recent progress in diagnosing and treating cluster headaches, as well as understanding the development of the disease. The review article was recently ...
Jun 21, 2024
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The sites where our bodies come into contact with the outside world—via skin, the surface of the eye, inside the mouth, the lining of the intestine and the urinary tract, for example—are known as barrier tissues.
Jun 17, 2024
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A new study to be presented at the SLEEP 2024 annual meeting found that sleep duration significantly moderates the association between bullying and suicide attempts among adolescents in the U.S. The research abstract was ...
May 31, 2024
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A multidisciplinary research team at the University of California, Irvine has revealed that the circadian clock—the biological pacemaker that governs daily rhythms in physiological processes, including immune functions—can ...
May 28, 2024
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Two complementary research articles, published simultaneously in the journals Science and Cell Stem Cell by a team of scientists from the UPF and IRB Barcelona, reveal that central and peripheral circadian clocks coordinate ...
May 2, 2024
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A new review of research evidence has explored the key differences in how women and men sleep, variations in their body clocks, and how this affects their metabolism.
Apr 10, 2024
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Infant gut microbiomes oscillate with a circadian rhythm, even when they are cultivated outside of the body. Researchers report in the journal Cell Host & Microbe that the rhythm is detectable as early as two weeks after ...
Apr 2, 2024
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People with symptoms of insomnia may be likely to increase their drinking over time, according to a study published in Alcohol: Clinical and Experimental Research.
Mar 28, 2024
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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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