Research finds poor sleep affects student's school performance
Disturbed sleep in school children negatively affects their school performance and various neurocognitive abilities, according to an article recently published in the Journal of School Health. This review of 21 studies found that some causes of disturbed sleep are reversible and that affected students ...Polar explorer delivers rare snow-depth data to ESA for CryoSat validation
...tance, to estimate how much snow on top of sea ice affects the retrieval of sea-ice thickness information. Other large-scale campaigns have taken place in different locations across the Arctic over the last two years and have addressed different validation questions. Through the validation activities, CryoSa...Scientists breed special rats to learn more about hypertension
...rtension as well as explore how estrogen depletion affects several body systems. And this is just the tip of ...sthesia, the team looked at how estrogen depletion affects diastolic dysfunction. In this common form of heart failure, the heart muscle becomes stiff and cann...Poor health literacy associated with poorer physical and mental health
...hood that inadequate health literacy detrimentally affects health," the authors conclude. "To develop appropriate and responsive interventions, future studies should discern how adults with lower health literacy recognize health issues, and they should identify barriers to seeking out appropriate health care...Loss of body mass linked to development of Alzheimer's disease
...about these individuals or about this disease that affects BMI before the clinical syndrome becomes apparent-...ain regions are affected. If the disease pathology affects a region of the brain that controls weight, your body mass may decline prior to loss of cognition." ...Updated guideline: Carotid endarterectomy beneficial for stroke prevention in some patients
ST. PAUL, Minn. Stroke affects more than 700,000 people in the United States per year. A blockage of a blood vessel is responsible for about 80 percent of strokes. Carotid endarterectomy is the most frequently performed operation to prevent stroke. There is scientific evidence to ...PRESERVE- 2-year study of initial combo therapy with nateglinide or glyburide + metformin
...ribed sulfonylurea for type 2 diabetes." Diabetes affects about 170 million people worldwide and, according to the World Health Organization, that number will double to 366 million by 2030. The U.S. Centers for Disease Control estimates that 18 million Americans have diabetes, making it the sixth leading c...Evidence of a new hereditary joint disorder
...oarthritis (OA), a degenerative joint disease that affects some 20 million Americans, cartilage erosion and bone abnormalities are also associated with many rare hereditary conditions. In the October 2005 issue of Arthritis & Rheumatism ( http://www.interscience.wiley.com/journal/arthritis ), researchers at...Special issue on cystic fibrosis in The Journal of Pediatrics
...y to produce abnormally thick, sticky mucus. This affects mainly the lungs, causing severe breathing problems, and the digestive system, causing inadequate digestion and absorption of nutrients. In the United States, approximately 30,000 people have cystic fibrosis and roughly one child of every 3,500 is b...Mayo Clinic research collaboration discovers why some DNA repair fails
...lect brain nerve cells to waste away. Huntington's affects 30,000 adults in the United States, and another 150,000 Americans may be at risk of inheriting it. Friedreich's ataxia is another neurodegenerative disease that may one day have a treatment based in part on this finding, as could a form of heritable ...Study provides guidelines for treatment of juvenile idiopathic arthritis
...enile rheumatoid arthritis (JRA), a condition that affects approximately one in every 1,000 children. This st... most common form of juvenile idiopathic arthritis affects approximately one in a 1,000 Canadian children and if left untreated can result in significant devel...New model shows gender differences in high blood pressure, Jefferson scientists find
...mportant role behind essential hypertension, which affects more than 65 million Americans. When Andrea Eckhart, Ph.D., associate professor of medicine at Jefferson Medical College of Thomas Jefferson University in Philadelphia, and her co-workers turned up the volume on GRK5, overexpressing a mouse gene that...A new analysis of a standard brain test may help predict dementia
Although Alzheimer's disease affects millions of people worldwide, there is no way to identify this devastating brain disease at its earliest stages when there still may be time to delay or even prevent the downward spiral into dementia. In research settings, scientists are using sophis...Study proves genetic variations influence cystic fibrosis' severity
... are largely responsible for how badly the illness affects patients' lungs. A report on the findings appears in the Oct. 6 issue of the New England Journal of Medicine. "As this gene is one of about 30,000 genes in our bodies, its identification as a modifier of the CF lung disease allows us a specific targe...Consensus panel calls for expanded role of needle biopsies, MRI and less invasive procedures
...savings. "The way breast cancer is diagnosed often affects the way it is treated," said Silverstein, chief of the breast service at LAC+USC Medical Center and director of the Harold E. and Henrietta C. Lee Breast Center at USC/Norris Comprehensive Cancer Center. "If a surgeon knows the abnormality is breast ...A molecular basis for selective therapeutic intervention in Alzheimer's disease
...earchers, in their recent article 'Cellular stress affects phosphorylation dependent APP processing' by A. G. Henriques et al, published in the Journal of Alzheimer's Disease, Vol. 7, pp 201-212, addressed how the non-toxic amyloid precursor protein (APP) processing was affected by cellular stress. The resea...Stroke patients with mild symptoms may still need clot-dissolving drug
...od from nearby areas. But if the initial blockage affects the primary blood supply and is not removed, symptoms may eventually worsen. "Right now we can only recommend that physicians be a little more cautious in deciding against tPA treatment," he adds. "We can suggest that more attention be paid to pati...Fat rat enables studies of debilitating vascular disease
...fat, or lipid, in the blood. Changed blood content affects sensitive blood vessel lining so vessels don't dilate well. That increased pressure decreases blood flow which gives surrounding tissue the wrong idea. "The dilator signal is not getting through, the constrictor signal is too high so blood pressure g......son is so afraid of falling that the mind actually affects the ability to walk, that he wrote about the disor...ition of a patient's mind, not any physical cause, affects the patient's ability to walk. "The results can be pretty dramatic when psychogenic gait disorders a......ese experiments showed that this genetic variation affects how the cell responds to stress," Curran said. "The more common variant the one most people have is the 'good form' of SEPS1 that is more efficient at perceiving and responding to cellular stress. The alternative, rarer variant weakens SEPS1 and pu...