News tagged with biological clock
Melatonin, a hormone segregated by human body, regulates sleep better than somniferous
Nov 05, 2009 |
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Melatonin, a natural hormone segregated by the own human body, is an excellent sleep regulator expected to replace somniferous, which are much more aggressive, to correct the sleep/wakefulness pace when human biological clock ...
The food-energy cellular connection revealed
Oct 15, 2009 |
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Our body's activity levels fall and rise to the beat of our internal drums—the 24-hour cycles that govern fundamental physiological functions, from sleeping and feeding patterns to the energy available to our cells. Whereas ...
New pattern in our biological clock overturns long-held theory
Oct 08, 2009 |
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(PhysOrg.com) -- University of Michigan mathematicians and their British colleagues say they have identified the signal that the brain sends to the rest of the body to control biological rhythms, a finding that overturns ...
Body's circadian rhythm tightly entwined with blood sugar control
Oct 05, 2009 |
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Scientists have long struggled to understand the body's biological clock. Its tick-tock wakes us up, reminds us to eat and tells us when to go to bed. But what sets that circadian rhythm?
Gene variation that lets people get by on fewer zees transferred to create insomniac mice
Sep 16, 2009 |
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A University of Utah sleep expert has joined with researchers at the University of California, San Francisco (UCSF), and Stanford University to identify a genetic variation in humans, which the scientists also developed in ...
Individual cells isolated from biological clock can keep daily time, but are unreliable
Sep 09, 2009 |
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Alexis Webb enters a small room at Washington University in St. Louis with walls, floor and ceiling painted dark green, shuts the door, turns off the lights and bends over a microscope in a black box draped with black cloth. ...
Chemotherapy for breast cancer is associated with disruption of sleep-wake rhythm in women
Sep 01, 2009 |
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A study in the Sept.1 issue of the journal Sleep shows that the sleep-wake activity rhythms of breast cancer patients are impaired during the administration of chemotherapy. Results indicate that the first cycle of chemot ...
How alcohol blunts the ability of hamsters to 'rise and shine'
Sep 01, 2009 |
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Chronic alcohol consumption blunts the biological clock's ability to synchronize daily activities to light, disrupts natural activity patterns and continues to affect the body's clock (circadian rhythm), even days after the ...
Circadian rhythms studies reveal new temperature regulator and track clock protein across a day
May 15, 2009 |
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Dartmouth Medical School geneticists have made new inroads into understanding the regulatory circuitry of the biological clock that synchronizes the ebb and flow of daily activities, according to two studies published May ...
FDA backs drug that treats diabetes via the brain
Medicine & Health / Medications
May 06, 2009 |
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(AP) -- People with Type 2 diabetes may soon get a very different treatment approach: A drug that helps control blood sugar via the brain - an idea sparked, surprisingly, by the metabolism of migrating birds.
PER:PER protein pair required for circadian clock function
Apr 29, 2009 |
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(PhysOrg.com) -- Scientists from Queen Mary, University of London have discovered a new protein complex operating in fruit fly circadian clocks, which may also help to regulate our own biological clocks.
Jet lag disturbs sleep by upsetting internal clocks in 2 neural centers
Medicine & Health / Neuroscience
Apr 16, 2009 |
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Jet lag is the bane of many travelers, and similar fatigue can plague people who work in rotating shifts. Scientists know the problem results from disruption to the body's normal rhythms and are getting closer to a better ...
Biologists Discover Missing Piece of Plant Clock
Mar 12, 2009 |
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(PhysOrg.com) -- Biologists at the University of California, San Diego have identified a key protein that links the morning and evening components of the daily biological clock of plants.
Children of older fathers perform less well in intelligence tests during infancy
Mar 09, 2009 |
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Children of older fathers perform less well in a range of cognitive tests during infancy and early childhood, according to a study published this week in the open-access journal PLoS Medicine. In contrast, the study finds ...
Researchers find potential cause of heart risks for shift workers
Medicine & Health / Neuroscience
Mar 03, 2009 |
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(PhysOrg.com) -- Harvard researchers from Brigham and Women’s Hospital (BWH) and colleagues have identified the potential cause of the increased risk for cardiovascular and metabolic disease in shift workers. ...
