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Potential Link Between Iron, Vitamins And Physical Fitness In Adolescents
Date: Aug-11-2012Adolescence is an important time not only for growing but for acquiring healthy habits that will last a lifetime, such as choosing foods rich in vitamins and minerals, and adopting a regular exercise regimen. Unfortunately, several studies have shown that adolescents' intake of important nutrients, as well as their performance on standard physical fitness tests, has fallen in recent years...
Study Of Brain Development Reveals Brain Stem Cells That May Be Responsible For Higher Functions, Bigger Brains
Date: Aug-11-2012Scientists from The Scripps Research Institute have identified a new stem cell population that may be responsible for giving birth to the neurons responsible for higher thinking. The finding also paves the way for scientists to produce these neurons in culture - a first step in developing better treatments for cognitive disorders, such as schizophrenia and autism, which result from disrupted connections among these brain cells. Published in the journal Science, the new research reveals how neurons in the uppermost layers of the cerebral cortex form during embryonic brain development...
Research Using Worms To Unearth Cancer Drug Targets
Date: Aug-11-2012Through novel experiments involving small nematode worms, scientists from Wyoming have discovered several genes that may be potential targets for drug development in the ongoing war against cancer. Specifically, researchers hypothesize that inhibiting these genes could reverse certain key traits associated with cancer cells. This discovery is published in the August 2012 issue of the Genetics Society of America's journal GENETICS. "Cancer is a leading cause of death worldwide," said David S. Fay, Ph.D...
Link Discovered Between Depression And Increased Risk Of Peripheral Artery Disease
Date: Aug-11-2012Depression was linked with an increased risk of peripheral artery disease (PAD) in a study of more than one thousand men and women with heart disease conducted by researchers at the San Francisco VA Medical Center and the University of California, San Francisco. PAD is a circulatory problem in which narrowed arteries reduce blood flow to the limbs - usually the legs and feet - resulting in pain, reduced mobility and, in extreme cases, gangrene and amputation. The study was published electronically on July 26, 2012, in the Journal of the American Heart Association...
Hepatitis A Vaccination In Children Under Two Remains Effective For Ten Years
Date: Aug-11-2012Vaccination against the hepatitis A virus (HAV) in children two years of age and younger remains effective for at least ten years, according to new research available in the August issue of Hepatology, a journal of the American Association for the Study of Liver Diseases (AASLD). The study found that any transfer of the mother's HAV antibodies does not lower the child's immune response to the vaccine. The World Health Organization (WHO) estimates that 1.4 million cases of HAV occur worldwide each year...
Height, Weight And BMI Changes Seen In Children Treated With Peginterferon Alpha For Hepatitis C
Date: Aug-11-2012Follow-up research from the Pediatric Study of Hepatitis C (PEDS-C) trial reveals that children treated with peginterferon alpha (pegIFNα) for hepatitis C (HCV) display significant changes in height, weight, body mass index (BMI), and body composition. Results appearing in the August issue of Hepatology, a journal of the American Association for the Study of Liver Diseases, indicate that most growth-related side effects are reversible with cessation of therapy. However, in many children the height-for-age score had not returned to baseline two years after stopping treatment. In the U.S...
Discovery Of How Some Neurons Inhibit Others Could Shed Light On Autism, Other Neurological Disorders
Date: Aug-11-2012The brain has billions of neurons, arranged in complex circuits that allow us to perceive the world, control our movements and make decisions. Deciphering those circuits is critical to understanding how the brain works and what goes wrong in neurological disorders. MIT neuroscientists have now taken a major step toward that goal. In a new paper appearing in Nature, they report that two major classes of brain cells repress neural activity in specific mathematical ways: One type subtracts from overall activation, while the other divides it...
Kids With Hepatitis C Treated With Peginterferon Show Body Size Changes
Date: Aug-10-2012According to a follow-up of the Pediatric Study of Hepatitis C (PEDS-C) trial, children with hepatitis C (HCV) who were treated with peginterferon alpha (pegIFNα) display considerable changes in weight, height, body mass index (BMI), and body composition. The results of the trial are published in the August edition of Hepatology, and suggest that although the majority of growth-related side effects are reversible by ending the therapy, many children's height-for-age score had not returned to baseline two years after therapy cessation. Around 240,000 children in the U.S...
Lose Weight While Still Consuming Sugar
Date: Aug-10-2012According to a new study featured in Nutrition Journal, people can still lose weight even if they consume typical amounts of sugar or high fructose corn syrup (HFCS), as long as their overall caloric intake is reduced. James M. Rippe, M.D., one of the study authors, says: "Our research debunks the vilification of high fructose corn syrup in the diet. The results show that equally reduced-calorie diets caused similar weight loss regardless of the type or amount of added sugars...
Doctors Often Don't Tell Patients About All Risks Of Treatment Options
Date: Aug-10-2012According to a review published in the week's PLoS Medicine, doctors in Australia frequently don't disclose all the possible risks about treatment and procedures to patients. Although doctors are expected to share information with patients that might affect treatment decisions, including risks of adverse outcomes, David Studdert from the University of Melbourne found that doctors are often uncertain about which clinical risks they should discuss with their patients prior to treatment...
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