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Latest Health News and Medical News posted throughout the day, every day.

  • Falls Prevention Study Looks At The Differences Between Indoor And Outdoor Falls In The Elderly
    The risk factors for indoor and outdoor falls for older adults are different, according to a new study by the Institute for Aging Research of Hebrew SeniorLife, an affiliate of Harvard Medical School, a fact that is often missed when the two are combined and may affect how falls prevention programs are structured. "Indoor and outdoor falls are both important," says senior author Marian T. Hannan, D.Sc., a senior scientist at the Institute for Aging Research, "but people at high risk for indoor falls are different in many ways from those at high risk of outdoor falls...




  • In Alzheimer's Disease, Harmful Amyloid Interferes With Trash Pickup For Cells
    Chemists at the University of California, San Diego, have identified how a protein that accumulates in the brains of people with Alzheimer's disease interferes with the ability of cells to get rid of debris. They also found a natural mechanism by which this protein, amyloid beta, itself may be discarded. Plaques of amyloid are a hallmark of the ailment, but no one is sure exactly how they contribute to catastrophic loss of memory and cognition...




  • Immune System Study Aided By Zebrafish
    Scientists from the University of California, San Diego School of Medicine have identified dendritic antigen-presenting cells in zebrafish, opening the possibility that the tiny fish could become a new model for studying the complexities of the human immune system. The study, reported in the online edition of the Proceedings of the National Academy of Sciences, was headed by David Traver, an associate professor in UCSD's Department of Cellular and Molecular Medicine, with colleagues in UCSD's Division of Biological Sciences and at the Brazilian National Cancer Institute...




  • A Good Source Of Vitamin A: Corn Bred To Contain Beta-Carotene
    A new Iowa State University study has found that corn bred to contain increased levels of beta-carotene is a good source of vitamin A. The discovery gives added support to the promise of biofortified corn being developed through conventional plant breeding as an effective tool to combat vitamin A deficiency in developing countries. Beta-carotene is converted in the body to vitamin A...




  • UCLA Psychologist Says People Can Overcome Their Addictions, But Not Quickly
    Millions of Americans suffer from severe addictions that can ruin lives and are extremely difficult to control. Nearly 2 million enter roughly 12,000 addiction treatment programs in the U.S. each year. And each month, some 15,000 people turn to Adi Jaffe's All About Addiction websites and at Psychology Today, which provide information, the latest research and answers to readers' questions. Jaffe is completing his Ph.D. in psychology at UCLA, where he specializes in addiction issues. Next year, he will serve as a postdoctoral fellow at UCLA's Integrated Substance Abuse Programs...




  • Malignancy Of Lung Cancer Determined By Micro-RNA
    Cancer becomes life-threatening when tumor cells start leaving their primary site. They travel through the lymph and blood streams to other tissues where they grow into metastases. This transition to malignancy is associated with characteristic changes in the cancer cells. The activity of several genes is reprogrammed and, thus, the production of proteins anchoring cells to a tissue is reduced. On the other hand, the amount of surface markers which make a cancer cell mobile increases. Professor Dr. Heike Allgayer heads a Clinical Cooperation Unit of DKFZ and UMM...




  • Study Finds Obesity Determined By Brain Cells -- Not Lack Of Willpower
    An international study has discovered the reason why some people who eat a high-fat diet remain slim, yet others pile on the weight. The study, led in Australia by the Monash Obesity and Diabetes Institute (MODI) at Monash University, found a high-fat diet causes brain cells to become insulated from the body preventing vital signals, which tell the body to stop eating and to burn energy, from reaching the brain efficiently. MODI director and Australian Life Scientist of the Year Professor Michael Cowley said there were two clear outcomes from the findings...




  • Examination Of Malaria Parasite's Genes Reveals Evidence Of Antibiotic Resistance, Suggests Changes In Diagnosis And Treatment
    A team of scientists from The Scripps Research Institute, the Genomics Institute of the Novartis Research Foundation (GNF), and the U. S. Naval Research Detachment in Peru has completed a study that could improve the efficacy of diagnosis and treatment strategies for drug-resistant malaria. In the new study - published online on September 9, 2010 by the journal Genome Research - the scientists analyzed the genomic features of a population of malaria parasites in Peru, identifying the genetic basis for resistance to a common antibiotic...




  • Potential New Drug For Neurodegenerative Disease
    Scientists have discovered a small molecule that helps human cells get rid of the misfolded, disfigured proteins implicated in Alzheimer's disease and other neurodegenerative ailments. This potential drug could have applications for other conditions as well. Cells create and discard proteins continuously, a process that relies on a balance between the speed with which new proteins are created and damaged ones destroyed. Protein destruction occurs through a sophisticated system that marks proteins for disposal by tagging them with a small molecule called ubiquitin...




  • Investigating Better Endpoints For Immunotherapy Trials
    Cancer immunotherapy calls for revised clinical endpoints that differ from those used for chemotherapy, according to an article published online in The Journal of the National Cancer Institute. Unlike chemotherapy, which acts directly on tumors, cancer immunotherapies exert their effects on the immune system, which may delay or change response patterns, perhaps owing to the dynamics of the immune system itself. For example, initial tumor burden may increase due to lymphocytic infiltration, because of T-cell proliferation, which is followed by lymphocyte-induced tumor response...





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