News tagged with circadian rhythms

Related topics: sleep

Finding the body clock's molecular reset button

An international team of scientists has discovered what amounts to a molecular reset button for our internal body clock. Their findings reveal a potential target to treat a range of disorders, from sleep disturbances to other ...

Apr 27, 2015
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Ras protein regulates circadian rhythm

Biochemists at the Ruhr-Universität Bochum have gained new insights into the generation and maintenance of circadian rhythms. They demonstrated that the Ras protein is important for setting the phase of such a circadian ...

Mar 18, 2015
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Is it possible to reset our biological clocks?

Imagine being able to easily get over all of the discomfort and problems of jet lag or night-shift work. Science is not quite there, but recent work by Marc Cuesta, Nicolas Cermakian and Diane B. Boivin from the Douglas Mental ...

Jan 16, 2015
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Adjusting your body clock when the time changes

As we reset our clocks and watches for daylight saving time, it's a good opportunity to think about our body clocks as well. Our bodies naturally operate on 24-hour cycles, called circadian rhythms, that respond to external ...

Nov 04, 2014
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Circadian rhythm

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.

This text uses material from Wikipedia, licensed under CC BY-SA

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