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Sunshine Could Prevent Rheumatoid Arthritis In Women
Date: Feb-05-2013Routine exposure to the sun, especially ultraviolet B (UVB) rays, may decrease the risk of rheumatoid arthritis, according to a new study published in the Annals of the Rheumatic Diseases. The positive outcomes of UVB exposure was demonstrated in mostly older women, possibly because younger females are educated on the dangers of sunlight and protect themselves with sunscreen, the authors suggest. The authors drew their conclusions from two phases of the U.S. Nurses' Health Study (NHS)...
High Calcium Supplement Intake Raises Male Cardiovascular Disease Death Risk
Date: Feb-05-2013Men who have a high intake of calcium supplements appear to have a greater risk of CVD (cardiovascular disease) death, researchers from the National Cancer Institute, Bethesda, Md., reported in JAMA Internal Medicine. The authors noted that women do not appear to be affected in the same way. Elderly Americans are taking calcium supplements in progressively higher numbers, the authors explained as background information. They do so because of the health benefits for their bones...
A Gut Feeling About Neural Stem Cells
Date: Feb-05-2013Proper function of the digestive system requires coordinated contraction of the muscle in the wall of the intestinal tract, regulated by the enteric nervous system. Damage or loss of these neurons can result in intestinal motility disorders, such as Hirschsprung's disease, for which there is a dearth of effective treatments. In principle, disorders of the enteric nervous system could be treated by cell therapy, but it was previously unknown whether transplanted stem cells could migrate to the appropriate location in the gut and then become neurons that could properly innervate the bowel...
More Links Found Between Schizophrenia And Cardiovascular Disease
Date: Feb-05-2013A new study, to be published in the Feb. 7, 2013 issue of the American Journal of Human Genetics, expands and deepens the biological and genetic links between cardiovascular disease and schizophrenia. Cardiovascular disease (CVD) is the leading cause of premature death among schizophrenia patients, who die from heart and blood vessel disorders at a rate double that of persons without the mental disorder...
People Having Stroke Should Get Therapy Within 60 Minutes Of Hospital Arrival
Date: Feb-05-2013People having an ischemic stroke should receive clot-dissolving therapy - if appropriate - within 60 minutes of arriving at the hospital, according to new American Stroke Association guidelines published in the American Heart Association journal Stroke. Ischemic stroke, which accounts for nine in 10 strokes, is caused by a blood clot in the arteries leading to the brain. Calling 9-1-1 immediately after recognizing any of the warning signs of stroke - and getting to a stroke center as fast as possible - are still the most important steps for optimal stroke care...
Identifying All Factors Modulating Gene Expression Is Actually Possible!
Date: Feb-05-2013It was in trying to answer a question related to the functioning of our biological clock that a team lead by Ueli Schibler, a professor at the University of Geneva (UNIGE), Switzerland, has developed a method whose applications are proving to be countless. The researchers wanted to understand how 'timed' signals, present in the blood and controlled by our central clock, located in the brain, act on peripheral organs...
Disparities Exist In Kidney Transplant Timing
Date: Feb-05-2013African-Americans and individuals without private health insurance are less likely than others to receive a kidney transplant before requiring dialysis, according to a study appearing in an upcoming issue of the Clinical Journal of the American Society of Nephrology (CJASN). The findings indicate that efforts are needed to ensure the equitable distribution of donor kidneys and the timing of transplantation. While kidney transplantation is the best available therapy for kidney failure, demand for donor kidneys far exceeds the supply...
New Study Highlights Impact Of Environmental Change On Older People
Date: Feb-05-2013Recent natural disasters illustrate vulnerability of older people: majority of deaths from the Great East Japan Earthquake (2011) and Hurricane Katrina (2005) occurred among older people. Researchers at the Stockholm Environment Institute at the University of York and Simon Fraser University's Gerontology Research Centre in Canada are calling for better awareness among policy makers and the public of the impact climate change and deteriorating environmental quality will have on an ageing population...
Owl Mystery Unravelled: Scientists Explain How Bird Can Rotate Its Head Without Cutting Off Blood
Date: Feb-05-2013Medical illustrators and neurological imaging experts at Johns Hopkins have figured out how night-hunting owls can almost fully rotate their heads - by as much as 270 degrees in either direction - without damaging the delicate blood vessels in their necks and heads, and without cutting off blood supply to their brains. In what may be the first use of angiography, CT scans and medical illustrations to examine the anatomy of a dozen of the big-eyed birds, the Johns Hopkins team, led by medical illustrator Fabian de Kok-Mercado, M.A...
Understanding 'Master Regulator' Genes Could Lead To Better Cancer Treatments
Date: Feb-05-2013Cell division is serious business. Cells that divide incorrectly can lead to birth defects or set the stage for cancer. A new discovery from the Oklahoma Medical Research Foundation has identified how two genes work together to make sure chromosomes are distributed properly when cells divide, providing new insights that could contribute to the future development of cancer treatments. In a paper published in the new issue of the journal Science, OMRF researchers Dean Dawson, Ph.D., and Regis Meyer, Ph.D...
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