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Bacteria divide like clockwork
A team of researchers at MIT and the University of California at San Diego has shown how cell division in a type of bacteria known as cyanobacteria is controlled by the same kind of circadian rhythms that govern human sleep patterns.   view more (2010-03-19)

Shift workers at more risk for irritable bowel syndrome, U-M study says
Nurses participating in shift work, especially those working rotating shifts, face a significantly increased risk of developing Irritable Bowel Syndrome (IBS) and abdominal pain compared to those working a standard day-time schedule, according to research published in the American Journal of Gastroenterology.   view more (2010-03-19)

Caltech and UCSD scientists establish leech as model for study of reproductive behavior
Researchers at the California Institute of Technology (Caltech) and the University of California, San Diego (UCSD) have discovered that injecting a simple hormone into leeches creates a novel way to study how hormones and the nervous system work together to produce species-specific reproductive behavior.   view more (2010-03-17)

As Girth Grows, Risk of Sudden Cardiac Death Shrinks
Obesity has long been identified as a risk factor for cardiovascular disease and heart failure. But, a new study conducted by researchers at the University of Rochester Medical Center found that being skinny confers no advantage when it comes to the risk of dying suddenly from cardiac causes.   view more (2010-03-17)

Oscillations at odds in the heart
Researchers in Germany show that a classical biological oscillator, the glycolytic oscillator, may increase damage to the heart during acute loss of oxygen (anoxia), and as may occur during ischemia.   view more (2010-03-15)

Learning helps keep brain healthy, UCI researchers find
UC Irvine neurobiologists are providing the first visual evidence that learning promotes brain health - and, therefore, that mental stimulation could limit the debilitating effects of aging on memory and the mind.   view more (2010-03-03)

'Biological clock' could be a key to better health, longer life
If you aren't getting a good, consistent and regular night's sleep, a new study suggests it could reduce your ability to handle oxidative stress, cause impacts to your health, increase motor and neurological deterioration, speed aging and ultimately cut short your life.   view more (2010-03-02)

The Science of Hollywood Blockbusters
There is something about the rhythm and texture of early cinema that has a very different "feel" than modern films. But it's hard to put one's finger on just what that something is.    view more (2010-02-24)

Lack of morning light keeping teenagers up at night
The first field study on the impact of light on teenagers' sleeping habits finds that insufficient daily morning light exposure contributes to teenagers not getting enough sleep.    view more (2010-02-17)

Melatonin Precursor Stimulates Growth Factor Circuits in Brain
Scientists at Emory University School of Medicine have discovered unexpected properties for a precursor to melatonin, the hormone that regulates sleep cycles.   view more (2010-02-05)

Study Finds Reduced Brain Gray Matter Concentration in Patients with Severe Obstructive Sleep Apnea
A study in the Feb. 1 issue of the journal SLEEP found gray matter concentration deficits in multiple brain areas of people with severe obstructive sleep apnea (OSA). The study suggests that the memory impairment, cardiovascular disturbances, executive dysfunctions, and dysregulation of autonomic and respiratory control frequently observed in OSA... view more... (2010-02-01)

Disconnect Between Brain Regions in ADHD
Two brain areas fail to connect when children with attention deficit hyperactivity disorder attempt a task that measures attention, according to researchers at the UC Davis Center for Mind and Brain and M.I.N.D. Institute.   view more (2010-01-12)

Heart drugs show promise for fighting colon cancer
Scientists in Sweden are reporting for the first time that a group of drugs used to treat heart failure shows promise for fighting colon cancer.   view more (2009-12-17)

Appetite, consumption controlled by clockwork genes at cross-purposes in flies
One of the pioneers in research on sleep:wake circadian genes, Amita Sehgal, Ph.D., has discovered that fruit flies' appetite and consumption are controlled by two rival sets of clocks, one in neurons and the other in the fly fat body, which is analogous to the liver.   view more (2009-12-07)

Caltech scientists find emotion-like behaviors, regulated by dopamine, in fruit flies
Scientists at the California Institute of Technology (Caltech) have uncovered evidence of a primitive emotion-like behavior in the fruit fly, Drosophila melanogaster.   view more (2009-11-30)

Hebrew University, US scientists find clue to mystery of biological clock
How does our biological system know that it is supposed to operate on a 24-hour cycle? Scientists at the Hebrew University of Jerusalem have discovered that a tiny molecule holds the clue to the mystery.   view more (2009-11-30)

New paper describes connections between Circadian and metabolic systems
A paper by University of Notre Dame biologist Giles Duffield and a team of researchers offers new insights into a gene that plays a key role in modulating the body's Circadian system and may also simultaneously modulate its metabolic system.   view more (2009-11-13)

Faulty body clock may make kids bipolar
Malfunctioning circadian clock genes may be responsible for bipolar disorder in children. Researchers writing in the open access journal BMC Psychiatry found four versions of the regulatory gene RORB that were associated with pediatric bipolar disorder.   view more (2009-11-12)

Java and nighttime jobs don't mix: study
Night-shift workers should avoid drinking coffee if they wish to improve their sleep, according to research published in the journal Sleep Medicine.   view more (2009-11-04)

Hydrogen Peroxide's Link to Living Cells
If a circadian rhythm is like an orchestra - the united expression of the rhythms of millions of cells - a common chemical may serve as the conductor, or at least as the baton.   view more (2009-11-04)
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