Medical Xpress - latest medical and health news stories
Medical Xpress internet news portal provides the latest news on Health and Medicine.
08/15/2017 02:38 PM
Can previous exposure to west Nile alter the course of Zika?
West Nile virus is no stranger to the U.S.-Mexico border; thousands of people in the region have contracted the mosquito-borne virus in the past. But could this previous exposure affect how intensely Zika sickens someone now?
08/15/2017 08:56 AM
Dementia education on risk inspires people in midlife to consider healthier lifestyles
75 percent of people said advice on dementia risk reduction would encourage them to adopt a healthier lifestyle. Three quarters of people in midlife would make lifestyle changes now to reduce their risk of developing dementia in future, the UK's biggest dementia charities have found. The news follows a pilot of dementia risk reduction messaging in NHS Health Checks for those aged 40-64.
08/14/2017 02:03 PM
Doctors trained at lowest-ranked medical schools prescribe more opioids
Physicians trained at the United States' lowest-ranked medical schools write more opioid prescriptions than physicians trained at the highest-ranked schools, according to a study by Princeton University. The study suggests that better training for physicians, and for general practitioners in particular, could help curb the nation's opioid epidemic.
08/14/2017 06:40 AM
Finding better ways to reduce serious drug side effects
Many of the medicines we depend on to treat disease—and even to save our lives—pose potentially serious risks along with their benefits. Data from the U.S. Centers for Disease Control and Prevention indicate that about 40,000 deaths yearly in the United States may be attributable to the side effects of drugs, a number that rivals the toll of traffic accidents.
08/10/2017 11:45 AM
Researchers call for new consistent, robust standards for the development of meta-analyses
In light of a huge increase in recent years in the number of meta-analyses published annually about prevention and treatment of heart disease as well as in other fields, the American Heart Association (AHA) published a scientific statement to provide recommendations for physicians and researchers who wish to do meta-analyses, journal editors who publish them, and health care professionals who wish to use them to make decisions about patient care.
08/09/2017 03:00 PM
Men, not women, may be having fewer strokes
The overall rate of stroke in the United States has been declining in recent years and while that has been good news, a new study suggests it may be primarily good news for men. The research, published in the August 9, 2017, online issue of Neurology, the medical journal of the American Academy of Neurology, found that while the stroke rate for men declined during the study period, for women it remained the same.
08/09/2017 01:03 PM
A personalized approach to Alzheimer's disease prevention
Alzheimer's disease (AD) is a type of dementia that causes problems with memory, thinking, and behavior. It affects more than 5 million Americans. The Alzheimer's Association estimates that some 16 million people will develop the disease by the year 2050 if an effective treatment is not discovered. Symptoms of AD usually develop slowly and worsen over time. They often become severe enough to interfere with daily tasks, and can eventually cause death.
08/09/2017 08:40 AM
Yoga may boost aging brains
(HealthDay)—Older women who practice yoga may have greater "thickness" in areas of the brain involved in memory and attention, a small study suggests.
08/09/2017 05:10 AM
Tuberculosis a tragedy in India, and a grave concern for the rest of the world
A study published recently in The Lancet has drawn the world's attention to the specter of particularly dangerous types of tuberculosis, called multidrug-resistant and extensively drug-resistant, in four countries. The study estimated that the percentage of multidrug-resistant TB among all cases in India, which already has the highest burden of the disease of any country, is set to increase to more than 12 percent in India by 2040.
08/09/2017 05:02 AM
Harvard bioethicist shares hope, concerns on gene-editing
The announcement by Oregon Health & Science University that scientists there had edited the genes of human embryos to remove the cause of a deadly disease has raised the prospect of a powerful new tool for physicians—as well as fears of a Pandora's Box that could lead to "designer babies" and humans engineered for desirable traits such as strength or intelligence.
08/08/2017 02:07 PM
FDA will target e-cigs in health campaign for youth
(HealthDay)—The U.S. Food and Drug Administration will now include electronic cigarettes in a public health education campaign to discourage American youth from using tobacco and nicotine products.
08/08/2017 07:50 AM
Is walking sufficient cardiovascular exercise?
We all know we need to exercise to stay fit and strong, stave off disease and maintain a healthy weight. Walking is the most popular physical activity undertaken by Australian adults. It's free, easy, and can be done almost anywhere.
08/04/2017 07:40 AM
Do we really face a human fertility cliff-edge? Science offers hope
A friend recently confided in me about his fertility problems. His physician had told him his sperm were small and malformed, to the point that he might struggle to get his wife pregnant. In an effort to make him feel less bad, perhaps, she added that male fertility problems were currently at "epidemic" levels in the UK.