Tag: "sleep" at biology news
NHLBI launches genomic applications initiative -- $37 million awarded in initial effort
...enomic research related to heart, lung, blood, and sleep
health and disorders. On September 30, the NHLBI i...s particularly relevant to heart, lung, blood, and sleep
functions. The NHLBI initiative will apply and expand upon the data and technologies developed to ma...
Sidebar: new trial should lead to better understanding of why exercise is an effective treatment for depression
...re, combined with at least four of the following: sleep
disturbances, weight loss, changes in appetite, psychomotor agitation, feelings of worthlessness or excessive guilt, impaired cognition or concentration, and recurrent thoughts of death....
Estrogen lifts mood in perimenopause
...ienced by most perimenopausal women, often disturb sleep
and may worsen mood, thus confounding assessment of the hormone's antidepressant properties. Might estrogen simply afford a good night's sleep? To find out, Schmidt and Rubinow studied 34 women, ages 44-55, who experienced onset of depression coinci...
Aging alters sleep and hormone levels sooner than expected
...t least two stages of age-related deterioration of sleep
quality and that, for men, the first stage occurs ...ages of 25 and 45. They also found that changes in sleep
were mirrored by changes in hormone secretion. This was the first study to examine sleep
Mom may set your body clock, suggests Science research
...t. Disrupted clocks have also been associated with sleep
disorders and affective disorders such as depression. Understanding how the clock is set in the first place could be an important step toward treating these ailments. The genes that run the circadian clock aren't fully understood yet, but their activ...
What makes cells tick detailed by Dartmouth researchers
...linked to jet lag, seasonal affective disorder and sleep
disturbances. Research published in the July 7 iss...good candidates for genes that might be mutated in sleep
disorders and where to start looking." The clock mechanism, called an oscillator, is a delicate bala...
More tolerable treatment for severe, obstructive sleep apnea around the world
...e most effective treatment for severe, obstructive sleep
apnea is a tracheotomy, many people...orting ventilation in patients with sleep
apnea and other kinds of breathing disorders," says Alan Schwartz, M.D., associate pr...
How stress maintains population levels
...ease probably spreads most rapidly where the birds sleep
together in large, crowded roosts, quite often among populations that do not make regular use of bird feeders. Dhondt emphasizes that mycoplasmal conjunctivitis cannot be transmitted to humans. And he hopes that more citizen-scientists will join P...
Some alcoholics may self-medicate with carbohydrates between drinks
...n can lead to depression, anxiety, aggression, and sleep
problems," said Mona Moorhouse, clinical dietician at the Royal Ottawa Hospital and lead author of the study. "Many anti-depressants will enhance serotonin, for example. In addition, we know that serotonin affects food intake, specifically, carbohy...
Genetically engineered foods: science and nature don't necessarily mix
...ey may have to make changes in how they move, eat, sleep
and think. "I've had patients who don't want to comply with an exercise program. They'd rather search for something that will make their condition just go away," says Urscia Mahring, DC, an ACA member who practices in Alexandria, VA. "I understan...
Northwestern team identifies first enzyme in mammalian circadian clock
...thm-related problems in humans, including jet lag, sleep
disorders and affective disorders, such as depress...loop is working right, normal circadian rhythms of sleep
and wakefulness adhere to a 24-hour cycle. When something is awry, the sleep-wake cycle is thrown of...
Researchers identify unique circadian rhythm photoreceptor
...ar-universal 24-hour biological clock that governs sleep
and wakefulness, rest and activity, body temperature, cardiac output, and many other functions. In an article published in the March 30, 2000 issue of the journal Nature , Rosbash, Hall and Patrick Emery at Brandeis University, and Ralf Stanewsky...
INEEL microbiologist joins Japanese on expedition to tap marine-methane deposits
...ed with three other crew members. "We were all in sleep
like dogs mode, lots of short naps, work when the core is up," said Delwiche. His dirty laundry disappeared and reappeared clean, and food came round the clock. Delwiche, who has collaborated with the Japanese Petroleum Exploration Company for the ...
Your heart is being closely watched while you're asleep
IF YOU thought sleep
is when you really relax, think again. Scientists ... control during sleep. Their findings suggest that sleep
may play arole that until now has remained hidden. Scientists now know that the heartbeat is far mo...
Duke study: Exercise may be just as effective as medication for treating major depression
...sure combined with at least four of the following: sleep
disturbances,weight loss, changes in appetite, psychomotor agitation, feelings ofworthlessness or excessive guilt, impaired cognition or concentration andrecurrent thoughts of death. Based on the DSM-IV definition of depression, 60.4 percent ...
Study confirms safety and tolerability of zaleplon for long-term treatment of insomnia
...ho havedifficulty falling asleep. "Because sleep
medications may be addictive, it generally is advi... data confirm that zaleplon is differentfrom other sleep
medications because it can be used safely for up to one year,without causing any withdrawal symptoms...
Researchers discover genetic basis of heritable sleep disorder
...chers studying three families with the sameunusual sleep
pattern have uncovered the first hereditary sleep
disorder inhumans caused by a single gene. Neurologist Christopher Jones and Howard HughesMedical In...
Flea collars may expose children to insecticides
...formation is available. "Don't let the kid hug and sleep
with the dog while the collar is real fresh." Primarily funded by EPA, the flea collar study responds to the data collectionrequirements of the Food Quality Protection Act of 1996, which stipulates thatall sources of exposures to pesticides must be c...
UT Southwestern researchers create mice with narcolepsy
...tedly discovered theyhad created a rodent with the sleep
disorder narcolepsy. This finding is signi...ssistantprofessor of psychiatry who specializes in sleep
disorders and also works withrodents. He and Chemelli fashioned tiny electrodes hooked to tethers so...
Narcolepsy gene identified
...allashave an exciting new lead into the genesis of sleep
and the origins ofnarcolepsy, a severe sleep
disorder in humans. In 1998, Yanagisawa discovered the orexins, small brain proteins and theirrecep...
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