Latest science news in Health & Medicine
Risk of frailty in older women dependent on multisystem abnormalities
A study published online ahead of press in the Gerontology Society of America's Journal of Gerontology: Medical Sciences reports that the condition of frailty in older adults is associated with...
Brazil has paved way for tackling HIV/AIDS, says study
Brazil's strategy for tackling HIV/AIDS — including the production of generic drugs — is an example to the developing world, say researchers.
Nanoparticle-delivered 'Suicide' Genes Slowed Ovarian Tumor Growth
Nanoparticle delivery of diphtheria toxin-encoding DNA selectively expressed in ovarian cancer cells reduced the burden of ovarian tumors in mice, and researchers expect this therapy could be tested in humans...
Higher drug doses needed to defeat tuberculosis, researchers report
The typical dose of a medication considered pivotal in treating tuberculosis effectively is much too low to account for modern-day physiques, UT Southwestern Medical Center researchers said.
Cardiovascular risk after ischemic attack predicted by ultrasound
Ultrasound can be used to determine a patient's heart risk after a transient ischemic attack (TIA). An evaluation of transcranial (TCD) and extracranial (ECD) Doppler ultrasonography, published in the...
Threat of resistance to artemisinin-based anti-malarial drugs highlighted by new study
Malaria parasites in western Cambodia have become resistant to artemisinin-based therapies, the first-line treatment for malaria, according to a study published in the New England Journal of Medicine today. Resistance...
College students who feel 'invincible' unlikely to accept vaccines
Vaccines to protect against sexually transmitted diseases, including HIV and herpes, are being developed and may soon be available to college students. However, limited research has been conducted to determine...
Cognitive testing, gender and brain lesions may predict MS disease progression risk
Cognitive testing may help people with inactive or benign multiple sclerosis (MS) better predict their future with the disease, according to a study published in the 29 July online issue...
A neurological miracle that increases the value of stem cell research and prenatal care
The case explored in the link below shows stunning plasticity of the human brain as it develops in the womb, but also indicates the power and promise stem cells and...
Factors That Increase Death In Stroke Patients Ages 15 To 49 identified
Heavy drinking, heart failure, cancer, type 1 diabetes and preceding infection were identified as predictors of death among stroke patients 15 to 49 years old.
Reducing Levels Of Specific Protein Delays Aging Of Multiple Tissues In Lab Mice
Partial inactivation of p38MAPK protein was sufficient to prevent age-induced cellular changes in multiple tissues, as well as improve the proliferation and regeneration of islet cells, without affecting the tumor...
Biomarkers May Help Predict Risk Of Alzheimer's Disease In Patients With Mild Cognitive Impairment
Several cerebrospinal fluid biomarkers showed good accuracy in identifying patients with mild cognitive impairment who progressed to Alzheimer's disease, according to a new study.
Mom prevails after son's surgery delayed
A Saskatchewan woman is extolling the virtues of persistence after surgery to remove her paralyzed son's gall bladder was cancelled earlier this month. She complained to hospital staff, and her...
Swine flu cases up in N.W.T., Nunavut
New swine flu infections were reported Wednesday in both the Northwest Territories and Nunavut, raising the total in both territories to 489 - mostly in Nunavut.
Tanning beds safe, Canadian chain says
The president of a Calgary-based tanning salon chain says there is misinformation in a medical study that concludes tanning beds can cause skin cancer.
Developing gene therapy to fight blindness
An international team of scientists and clinicians from the United States and Saudi Arabia are working to develop gene therapy for treating a rare, hereditary retinal disease. The therapy...
New research reveals mothers need infant feeding information
ATLANTA (July 29, 2009) -- A systematic literature review of mothers' experiences with bottle-feeding found that while mothers recognize the benefits of breastfeeding, those who bottle-feed with infant formula...
Obesity surgery death rates are low, study finds
Obese, but worried that surgery for it might kill you? The risk of that has dropped dramatically, and now is no greater than for having a gall bladder out, a...
Immunology: Lights, camera, infection
Multiphoton microscopy is allowing immunologists to watch infections as they happen. Jeanne Erdmann pulls up a seat.
The Medical Minute: What is osteoporosis? Why now? Why me?
Osteoporosis comes from a Latin term which means "holes in the bone." In reality it is a skeletal disease characterized by low bone mineral density and structural deterioration of bone,...
Discovery on Energy-Burning Fat May Help Treat Obesity
In a new study, researchers raise the possibility that if certain brown fat cells could be made more active, a person might burn more fat.
Doctors study little-grasped child cancer
PHILADELPHIA, July 29 (UPI) -- U.S. doctors conducted the first drug trial to help children with an often-fatal but little-understood cancer after identifying risk genes, the doctors say.
Errors in diagnosis of depression lead to over and under diagnosis in primary care
A meta-analysis of more than 50,000 patients has shown that general practitioners (GPs) have great difficulty separating those with and without depression, with substantial numbers of missed and misidentified...
Health benefits of physical activity more pronounced in women
Many experimental studies have found that physical exercise can improve cholesterol levels and subsequently decrease the risks of cardiovascular disease; however, few of these studies have included enough participant diversity...
Gene developed through conventional breeding to improve cowpea aphid resistance
The cowpea or black-eyed pea, as it is more commonly known, is a New Year's tradition for good luck. But disease and particularly aphids, which can wreck a crop within...
Cancers Set To 'Explode' In Latino/a Populations, Researcher Says
The Latino/a population in the United States is expected to triple by 2050. And with that growth, says a professor, will come a rise in the number of individuals from...
WHO 'too hasty' in ceasing iron supplementation
Iron supplements do not increase the risk of malaria in areas where the disease is prevalent — contrary to WHO guidelines, say researchers.
Sub-Saharan Africa News in brief: 16–29 July 2009
Male circumcision doesn't guard against HIV, new technology could detect AIDS earlier, Ethiopia eradicates cattle-killing disease, and more.