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 Back to Eurekalert Medical and Health News Archives
Eurekalert Medical and Health News: 01-27-2005
Green tea extract improved exercise endurance up to 24%, depending on dosage, though GTE's active ingredient was less effective.Researchers said the results indicate "GTE is beneficial for improving endurance capacity and support the hypothesis that stimulation of fatty acid utilization is a promising strategy for improving endurance capacity."Measuring swimming endurance after 10 weeks on GTE, the marked improvement came from the equivalent of about four cups of tea a day.
New research findings and emerging issues in disease prevention and health promotion highlight the program for Preventive Medicine 2005, the premier national conference held annually for physicians and other healthcare professionals with an interest in preventive medicine. The forum serves as the annual meeting for the Washington, D.C.-based American College of Preventive Medicine (ACPM), a national professional society for physicians dedicated to disease prevention and health promotion.
Although three months are often prescribed for cardiac rehabilitation, it takes nine months for patients to reach peak improvement, say researchers from the University of Toronto.The study, published in the December issue of the Journal of Cardiopulmonary Rehabilitation, found a 52-week rehabilitation program that combined supervised and unsupervised exercise sessions was effective in improving both physical and mental health, with the peak occurring at 38 weeks (nine months).
A University of Minnesota Cancer Center study found that women consuming more than 800 milligrams of calcium each day reduced their risk of colorectal cancer by as much as 26 to 46 percent.
Telemedicine is healthcare's new frontier, a means of facilitating the distribution of human resources and professional competences. It can speed up diagnosis and therapeutic care delivery and allow peripheral and primary healthcare providers to receive continuous assistance from specialised centres.
In a recent animal study, researchers at Cedars-Sinai Medical Center and the University of California, Los Angeles have found that chronic nicotine ingestion after a heart attack significantly increases the incidence of cardiac fibrosis and causes electrical remodeling of the heart. This reaction promotes a kind of rapid heart rhythm that has many similarities to typical human atrial flutter, a potentially life-threatening condition that affects approximately a quarter-million Americans each year.
Researchers have discovered how to convert liver cells of mice into pancreatic cells using a single injection. This may eventually lead to a cure for diabetes. Dr. James Mittra, one of the organisers of an international conference in Edinburgh on the Evolution of the Life Science Industries asks, "How does the pharmaceutical industry respond to this kind of work? They are primarily interested in treatments, not cures. Do they see this kind of research as a threat?"
Universal screening of newborns' hearing at large public hospitals, which annually deliver tens of thousands of babies, can be done more effectively when infants are not only tested four hours after birth - as required by many states - but also by rescreening those with a suspected problem before discharge and, if necessary, retesting infants at 10 days old, UT Southwestern Medical Center researchers reported.
Why do women develop multiple sclerosis (MS) almost twice as often as men? Physicians have long been intrigued by this fact -- and now a Mayo Clinic-led international research team has identified a genetic variation that may explain it.
Vanderbilt University encourages active journalists to apply to attend its Council for the Advancement and Support of Education media fellowship, .Autism: Rates, Causes and Treatment,. April 10-13, 2005, in Nashville, Tenn.
The gift from Arizona's head men's basketball coach and his family will benefit the Bobbi Olson Endowment for Ovarian Cancer Research.
Research published in the current issue of Science magazine reinforces the belief that aerobic capacity is an important determinant in the continuum between health and disease.
Recent studies suggest that avalanches in your brain could actually help you to store memories. Slices of rat brain tissue placed on a microelectrode array have shown that the brain cells activate each other in cascades called "neuronal avalanches." New computer models by Indiana University biophysicist John Beggs now suggest that these brain avalanches may be optimal for information storage. If so, certain neurochemical treatments might someday improve life for people with memory problems.
The COX-2 inhibitor Celebrex, known best as an arthritis drug, recently came under scrutiny with evidence that chronic use may lead to heart attack and stroke. But a serendipitous discovery at Children's Hospital Boston suggests that taking Celebrex before and after surgery may prevent painful adhesions from developing.
The National Academy of Sciences (NAS) has selected 17 individuals to receive awards honoring their outstanding scientific achievements.
The National Academy of Sciences has selected William H. Foege to receive its most prestigious award, the Public Welfare Medal. Established in 1914, the medal is presented annually to honor extraordinary use of science for the public good. The Academy chose Foege for his dedication to eradicating global disease and his leadership in redefining the scope of public health policy in the United States.
Three years ago, Brown University researchers discovered new eye cells - indeed a parallel visual system. Now, in a report in Nature, they explain how these exotic cells harness light energy to do their chief job: setting the body's master circadian clock.
The biotechnological company, Progenika, has presented a DNA-chip the purpose of which is the optimisation of the diagnosis, prognosis and treatment of patients with inflammatory bowel disease (Crohn's disease and Ulcerous Colitis).
Mayo Clinic researchers have identified a previously unknown form of muscular dystrophy, a group of genetic diseases characterized by progressive weakness and muscle degeneration. This newly identified form develops after age 40 and causes heart muscle damage, limb muscle weakness and nerve damage. The researchers have named the newly defined disorder "zaspopathy" (Zas-PO-path-ee).
A Johns Hopkins-led study designed to evaluate the ability of etanercept to maintain disease remissions in a serious autoimmune disorder has failed to show any benefit. Etanercept, also called Enbrel, is a common treatment for rheumatoid arthritis and other types of joint inflammation.
Scientists have discovered how to make cells sensitive to light in what may lead to a new approach to treating certain forms of blindness.
Researchers have discovered a way to make light sensitive cells in the eye by switching on a single gene.
A UK based team of researchers has found that regular epidemics of syphilis in the USA are due to the intrinsic cyclical nature of the disease. They show that changes in the immunity of the population cause periodic syphilis outbreaks, rather than changes in sexual behaviour, as was previously thought.
Better management of current hospital resources and staff could greatlyimprovepreparedness for disasters such as the tsunami that hit South East Asia amonthago, according to an article by J Christopher Farmer and colleagues, to bepublished in the journal Critical Care.
The February 2005 (Volume 33, Number 2), issue of Nucleic Acids Research reports that Nanosphere's nanoparticle-based technology allows detection of a SNP in an unknown genotype with a greater than 99 percent confidence threshold and can be used with human DNA obtained from samples as small as a drop of blood. Importantly, the technology eliminates the need for costly, time and labor intensive gene amplification or enzymatic interventions - two widespread methods currently used to perform such analyses.
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