Persistent Flow Current Events | Persistent Flow News
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Glacial melting may release pollutants in the environment
Those pristine-looking Alpine glaciers now melting as global warming sets in may explain the mysterious increase in persistent organic pollutants in sediment from certain lakes since the 1990s, despite decreased use of those compounds in pesticides, electric equipment, paints and other products. view more (2009-10-22)
NIST announces first observation of 'persistent flow' in a gas
Using laser light to stir an ultracold gas of atoms, researchers at the National Institute of Standards and Technology (NIST) and the Joint Quantum Institute (NIST/University of Maryland) have demonstrated the first "persistent" current in an ultracold atomic gas -a frictionless flow of particles. view more (2007-11-28)
Hebrew University Scientists Shed Lights On How Bacteria Persist Despite Antibiotics
Persistence pays off - for bacteria as well as people. Researchers at the Hebrew University of Jerusalem and Rockefeller University in New York have demonstrated the constant presence of antibiotic-tolerant "persistent cells" within bacteria colonies and have shown, through mathematical modeling, how these cells develop into... view more... (2004-12-09)
ICS most effective for persistent asthma in children
While both inhaled corticosteroids (ICS) and leukotriene receptor antagonists (LTRA) have been proven to help control mild-to-moderate persistent asthma in school-age children, a new study shows ICS may be the more effective treatment. view more (2006-01-11)
Mechanism Behind Stuttering Revealed (p 380)
Stuttering is caused by a structural abnormality in the left hemisphere of the brain, according to an article in this week's LANCET. Dr Martin Sommer and colleagues from the Universities of Hamburg and Göttingen in Germany report that persistent developmental stuttering results from a disconnection of speech-related areas in the cortex.... view more... (2002-07-31)
Whooping cough 'endemic' among UK school children
Nearly 40% of school age children in the United Kingdom who visit their family doctor with a persistent cough have evidence of whooping cough infection, even though they have been fully immunised. view more (2006-07-07)
Alternative states in the ocean
Ecologists expect natural communities to vary. Occasionally, however, such variation can be severely abrupt and lead to formation of alternative and potentially persistent states. In the July issue of Ecology Letters, Paine and Trimble describe a dramatic assemblage shift on a rocky intertidal shore in Washington State (USA). The change was... view more... (2004-05-13)
Psychological factors may predict outcome of treatment in functional gastrointestinal disorders
A new way of classifying psychological distress may have predictive value in functional gastrointestinal disorders. These are the conclusions of a study performed in Italy by Piero Porcelli and associates. The Diagnostic Criteria for Psychosomatic Research (DCPR) have been demonstrated to be useful in identifying specific psychological conditions... view more... (2004-04-06)
Noisy jobs responsible for substantial burden of hearing problems in Britain
Noise at work is responsible for severe hearing difficulties in 153,000 men and 26,000 women in Great Britain, finds a study in Occupational and Environmental Medicine. view more (2002-08-30)
Asthmatic children still not breathing easier, study says
Only 20 percent of children with persistent asthma have a level of control that is optimal, according to a survey-based study published today in the journal of Ambulatory Pediatrics. view more (2007-03-15)
Researchers discover gut tissue to be a major reservoir harboring HIV
UCLA researchers have found the human gut to be a major reservoir harboring the HIV virus - holding almost twice as much as a person's blood. view more (2006-08-28)
New Technique For Measuring Blood Flow To Brain In Babies (p 1749)
Authors of a research letter in this week's issue of THE LANCET describe how an ultrasound technique can be used as a non-invasive way of measuring blood flow to the brain in babies, which may be of benefit to infants with brain disorders arising from restrictions in cerebral blood flow. Changes in the rate of blood flow to the brain in premature... view more... (2002-11-27)
Cocaine Use Related to Level of Education Achieved
The decreased use of cocaine in the United States over the last 20 years mostly occurred among the highly educated, while cocaine use among non-high school graduates remained constant, according to a study by researchers at the Johns Hopkins Bloomberg School of Public Health. view more (2007-08-30)
An active way to boost traffic flow
A futuristic scheme is to be trialled on the M42 in Birmingham, using a combination of hi-tech traffic management systems, to help smooth traffic flow and reduce congestion. From summer 2004, a series of innovative tools will start to be integrated as part of the Active Traffic Management project. Helping to provide safer, smoother and more... view more... (2003-12-01)
Cognitive behavior therapy appears beneficial for long-term treatment of insomnia
For patients with persistent insomnia, a combination of cognitive behavior therapy (CBT) and the medication zolpidem for 6 weeks was associated with improvement in sleep, although for a longer treatment period CBT alone was more beneficial. view more (2009-05-20)
Study Highlights Need For Hepatitis C Vaccine (pp 1452, 1478)
A US study in this week's issue of THE LANCET highlights a high rate of hepatitis C virus (HCV) infection among injection-drug users, and that immunity against persistent HCV infection can be acquired. The authors suggest that vaccines should be tested to reduce the burden of liver disease associated with HCV infection. Around 4 million people in... view more... (2002-04-24)
Simple test for asthma patients predicts length of hospital stay
Simple test for asthma patients predicts length of hospital stay (Peak expiratory flow sequence in acute exacerbations of asthma) BMJ Volume 322, p 1281 Measuring the change in a patient’s ability to blow three times in quick succession into a peak flow meter during an acute asthma attack predicts the length of time they will stay in... view more... (2001-05-23)
Studies highlight little known, but potentially serious, manifestations of acid reflux
Many people may not realize that symptoms such as chronic cough or chest pain can be caused by acid reflux into the esophagus, because they do not experience classic heartburn symptoms or acid regurgitation. view more (2007-10-15)
Monitoring of blood flow to the brain could prevent brain damage
University of Southampton engineers believe that monitoring blood flow to the brains of head injury patients could potentially reduce the incidence of brain damage and long-term disability, and are developing methods of using ultrasound to do this. With many years experience in studying the rise and fall of pressure inside the heads of patients... view more... (2003-04-30)
Endurance Athletes Could Benefit From Surgical Release Of Kinked Leg Arteries (p 466)
Flow restrictions in leg arteries of endurance athletes are commonly caused by kinking and could be easily resolved by a straightforward surgical procedure, conclude authors of a study in this week's issue of THE LANCET. Endurance athletes-especially cyclists and speed skaters-often have restrictions in blood flow in their iliac arteries (the... view more... (2002-02-06)
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