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
Inside each of us is our own internal timing device. It drives everything from sleep cycles to metabolism, but the inner-workings of this so-called "circadian clock" are complex, and the molecular processes behind it have ...
The discerning fruit fly: Linking brain-cell activity and behavior in smell recognition
Behind the common expression "you can't compare apples to oranges" lies a fundamental question of neuroscience: How does the brain recognize that apples and oranges are different? A group of neuroscientists ...
Recent research has shown that cancer cells have a much different – and more complex – metabolism than normal cells. Now, scientists at The University of Texas at Dallas have found that exploiting these differences might ...
Researchers have discovered and mapped the signaling network between two previously unconnected proteins, exposing a link that, if broken, could cut off cancer cell growth at its starting point.
Study shows cultural images may hinder proficiency in second language skills
(Medical Xpress)—A team of combined researchers from Columbia Business School and Singapore Management University has found that people who have learned a second language become less proficient at speaking ...
Men who lose sleep during the work week may be able to lower their risk of developing Type 2 diabetes by getting more hours of sleep, according to Los Angeles Biomedical Research Institute (LA BioMed) research findings presented ...
Aspirin is known to lower risk for some cancers, and a new study led by a UC San Francisco scientist points to a possible explanation, with the discovery that aspirin slows the accumulation of DNA mutations in abnormal cells ...
Balancing act: Mitochondrial protein coordinates a little-known enzyme that controls how fat is stored or burned
(Medical Xpress)—Calories in, calories out. Any dieter is familiar with the two sides of the equation for weight loss, usually reduced to eating less and exercising more. But what controls the body's balance ...
The link between genes and cancer
(Medical Xpress)—When people think about genes and their relationship to cancer, most probably think about a person's hereditary cancer risk, especially after Angelina Jolie's recent news about her inherited ...
(Medical Xpress)—University of Leicester scientists have discovered a potential genetic contributor to the increased risk of heart disease among men.
