News tagged with circadian cycle


Researcher examines behavior of genes to understand breast cancer risks, other health issues

Most often, people associate circadian rhythms with the symptoms of jet lag that occur after crossing several time zones. Circadian rhythms, which get their cues from light and darkness, can change sleep-wake ...

Medical research created Apr 30, 2013 | popularity not rated yet | comments 0

Cell death in retina helps tune our internal clocks

(Medical Xpress)—With every sunrise and sunset, our eyes make note of the light as it waxes and wanes, a process that is critical to aligning our circadian rhythms to match the solar day so we are alert during the day and ...

Neuroscience created Mar 05, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

More than 3,000 epigenetic switches control daily liver cycles

(Medical Xpress)—When it's dark, and we start to fall asleep, most of us think we're tired because our bodies need rest. Yet circadian rhythms affect our bodies not just on a global scale, but at the level ...

Genetics created Dec 11, 2012 | popularity 4.8 / 5 (5) | comments 0 | with audio podcast

Probing sleep's drowsy mystery: Researchers stay up nights trying to understand rhythms, effects

It is one of the ironies of sleep research that scientists stay up all night to do it.

Health created Nov 05, 2012 | popularity not rated yet | comments 0

Living against the clock: Does loss of daily rhythms cause obesity?

When Thomas Edison tested the first light bulb in 1879, he could never have imagined that his invention could one day contribute to a global obesity epidemic. Electric light allows us to work, rest and play at all hours of ...

Medical research created Aug 29, 2012 | popularity not rated yet | comments 0

Energy levels link sleep control mechanisms

Sleep, or lack of it, can determine level of cognitive performance which is linked with accidents as well as increased risk of serious health problems. Links between cell energy levels, gene transcription ...

Medical research created May 25, 2012 | popularity not rated yet | comments 0

Too little sleep, disrupted internal clock means higher risk of diabetes and obesity

A study by researchers at Brigham and Women's Hospital (BWH) reinforces the finding that too little sleep or sleep patterns that are inconsistent with our body's "internal biological clock" may lead to increased risk of diabetes ...

Health created Apr 11, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Circadian clock may impact organ transplant success

Health care providers assess blood and tissue type as well as organ size and health to enhance transplant success. New research indicates that checklist might also need to include the circadian clock.

Medical research created Oct 04, 2011 | popularity not rated yet | comments 0 | with audio podcast

Failure of brain's clock could play role in causing neuropsychiatric disorders

(Medical Xpress) -- Neuropsychiatric disorders are the second largest cause of morbidity and premature mortality worldwide. The scientific community has widely accepted that people who battle neuropsychiatric disorders such ...

Psychology & Psychiatry created Sep 21, 2011 | popularity 4 / 5 (1) | comments 0 | with audio podcast