Dawn triggers basic biological changes in the waking human body. As the sun rises, so does heart rate, blood pressure and body temperature. The liver, the kidneys and many natural processes also begin shifting ...
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(Medical Xpress)—Sleep researchers from University of California campuses in Riverside and San Diego have identified the sleep mechanism that enables the brain to consolidate emotional memory and found ...
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Multiple drug classes commonly prescribed for common medical conditions are capable of influencing the onset and progression of Alzheimer's disease, according to researchers at The Mount Sinai Medical Center. The findings ...
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A new study suggests that frequent binge drinking is associated with insomnia symptoms in older adults.
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The last few years have seen the emergence of a new drug problem in so-called "bath salts"—actually "designer stimulants," packaged and sold in ways that skirt drug laws. A review and update on these designer drugs is presented ...
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The most popular addictive drug available in Australia right now is 1, 3, 7-trimethylxanthine, or C₈H₁₀N₄O₂. Let's call it 137TX until we can come up with something catchier.
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Some workers in Norway's North Sea Oil industry alternate between night and day shifts, the so-called swing shift. A recent study conducted by Postdoctoral fellow Siri Waage and colleagues at the University of Bergen's (UiB) ...
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Though marijuana is a well-known recreational drug, extensive scientific research has been conducted on the therapeutic properties of marijuana in the last decade. Medical cannabis is often used by sufferers ...
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An independent panel of experts on Wednesday recommended US approval of a new Merck sleeping pill called suvorexant, but expressed concerns over the highest dosage and risks of drowsy daytime driving.
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A new study provides neurobiological evidence for dysfunction in the neural circuitry underlying emotion regulation in people with insomnia, which may have implications for the risk relationship between insomnia and depression.
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An experimental sleeping pill from US drug company Merck is effective at helping people fall and stay asleep, according to reviewers at the US Food and Drug Administration, which could soon approve the new drug.
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Federal health regulators say an experimental insomnia drug from Merck can help patients fall asleep, but it also carries worrisome side effects, including daytime drowsiness and suicidal thinking.
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(HealthDay)—The U.S. Food and Drug Administration has approved new, lower-dose labeling for the popular sleep drug Ambien (zolpidem) in an effort to cut down on daytime drowsiness that could be a hazard ...
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A new study found a relationship between sleep duration and suicidal thoughts in people with insomnia.
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All mammals sleep, as do birds and some insects. However, how this basic function is regulated by the brain remains unclear. According to a new study by researchers from the RIKEN Brain Science Institute, ...
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Insomnia (or sleeplessness) is most often defined by an individual's report of sleeping difficulties. While the term is sometimes used in sleep literature to describe a disorder demonstrated by polysomnographic evidence of disturbed sleep, insomnia is often defined as a positive response to either of two questions: "Do you experience difficulty sleeping?" or "Do you have difficulty falling or staying asleep?"
Thus, insomnia is most often thought of as both a sign and a symptom that can accompany several sleep, medical, and psychiatric disorders, characterized by persistent difficulty falling asleep and/or staying asleep or sleep of poor quality. Insomnia is typically followed by functional impairment while awake. One definition of insomnia is difficulties initiating and/or maintaining sleep, or nonrestorative sleep, associated with impairments of daytime functioning or marked distress for more than 1 month."
Insomnia can be grouped into primary and secondary, or comorbid, insomnia. Primary insomnia is a sleep disorder not attributable to a medical, psychiatric, or environmental cause. A complete diagnosis will differentiate between:
This text uses material from Wikipedia licensed under CC BY-SA
Brain can plan actions toward things the eye doesn't see
People can plan strategic movements to several different targets at the same time, even when they see far fewer targets than are actually present, according to a new study published in Psychological Science, a jour ...
Drug shows surprising efficacy as treatment for chronic leukemia, mantle cell lymphoma
Two clinical studies published in the New England Journal of Medicine with an accompanying editorial suggest that the novel agent ibrutinib shows real potential as a safe, effective, targeted treatment for ad ...
Some parents desire for their children to fulfill their own unrealized ambitions, just as psychologists have long theorized, according to a new first-of-its-kind study.
Researchers identify emotions based on brain activity
For the first time, scientists at Carnegie Mellon University have identified which emotion a person is experiencing based on brain activity.
Efficient signal transmission at sensory system synapses
(Medical Xpress)—Neurophysiologist like to think of neurons as communicating with spikes. If that were the whole story, it might be possible to imagine spike codes which could then be used to estimate the ...
Validating maps of the brain's resting state
Kick back and shut your eyes. Now stop thinking. You have just put your brain into what neuroscientists call its resting state. What the brain is doing when an individual is not focused on the outside world ...
Scientists create way to see structures that store memories in living brain
Oscar Wilde called memory "the diary that we all carry about with us." Now a team of scientists has developed a way to see where and how that diary is written.
US doctors' group labels obesity a disease
(HealthDay)—In an effort to focus greater attention on the weight-gain epidemic plaguing the United States, the American Medical Association has now classified obesity as a disease.
Fate of the heart: Researchers track cellular events leading to cardiac regeneration
In a study published in the June 19 online edition of the journal Nature, a scientific team led by researchers from the University of California, San Diego School of Medicine visually monitored the dynami ...
The number of US girls with the sexually transmitted disease HPV has dropped by about half even though relatively few youths are getting the vaccine, research showed on Wednesday.
