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Medical Xpress - latest medical and health news stories



Medical Xpress internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.



 



Theory: Flexibility is at the heart of human intelligence

Sun, 19 Nov 2017 15:22:46 EST

Centuries of study have yielded many theories about how the brain gives rise to human intelligence. Some neuroscientists think intelligence springs from a single region or neural network. Others argue that metabolism or the efficiency with which brain cells make use of essential resources are key.



Many health care providers work while sick

Sun, 19 Nov 2017 07:20:01 EST

(HealthDay)—More than 40 percent of health care personnel (HCP) with influenza-like illness (ILI) work while ill, according to a study published in the November issue of the American Journal of Infection Control.



Intensive BP control lacks benefit in chronic kidney disease

Sun, 19 Nov 2017 07:00:02 EST

(HealthDay)—Intensive blood pressure (BP) control may provide no benefit and may even be harmful for patients with moderate-to-advanced chronic kidney disease, according to a study published online Oct. 16 in the Journal of Internal Medicine.



Simple checklist can identify useful clinical practice guidelines

Sun, 19 Nov 2017 06:50:01 EST

(HealthDay)—A simple, easy-to-use checklist, the Guideline Trustworthiness, Relevance, and Utility Scoring Tool (G-TRUST), can identify useful clinical practice guidelines, according to a study published in the September/October issue of the Annals of Family Medicine.



Risk of falls up with mild, moderate diabetic retinopathy

Sun, 19 Nov 2017 06:30:02 EST

(HealthDay)—Among Asians, individuals with mild and moderate diabetic retinopathy (DR) are more likely to have fallen, and greater perceived barriers to diabetes self-management (DSM) are associated with the severity of DR, according to two studies published online Nov. 16 in JAMA Ophthalmology.



Attributes of high-value oncology practices identified

Sun, 19 Nov 2017 06:20:01 EST

(HealthDay)—Attributes that distinguish high-value oncology practices have been identified, according to a study published online Nov. 16 in JAMA Oncology.



AMD risk has dropped by birth cohort throughout 20th century

Sun, 19 Nov 2017 06:10:01 EST

(HealthDay)—There was a decrease in the five-year risk for age-related macular degeneration (AMD) by birth cohorts throughout the 20th century, according to a study published online Nov. 16 in JAMA Ophthalmology.



Docs' preparedness influences exercise recommendations

Sun, 19 Nov 2017 06:00:02 EST

(HealthDay)—Primary care providers who feel prepared are more likely to recommend physical activity to patients with disabilities, according to a study published online Nov. 16 in Preventing Chronic Disease.



Force analysis may help distinguish surgeon skill level

Sun, 19 Nov 2017 05:50:02 EST

(HealthDay)—Force-sensing bipolar forceps and force analysis may help differentiate surgeon skill level, according to a study published online Nov. 15 in JAMA Surgery.



First-line metformin use for DM up; sulfonylurea use down

Sun, 19 Nov 2017 05:40:03 EST

(HealthDay)—Among patients with type 2 diabetes initiating antidiabetes drugs (ADDs), first-line use of metformin has increased since 2005, while sulfonylureas have remained the most popular second-line agent, according to a study published online Nov. 6 in Diabetes Care.



Psychosocial benefit seen with probiotic, peanut oral immunotx

Sun, 19 Nov 2017 05:40:02 EST

(HealthDay)—Probiotic and peanut oral immunotherapy (PPOIT) has a sustained beneficial effect on psychosocial impact of food allergy after end-of-treatment, according to a study published online Oct. 20 in Allergy.



Higher positive end-expiratory pressure no benefit in ARDS

Sun, 19 Nov 2017 05:32:47 EST

(HealthDay)—For patients with acute respiratory distress syndrome (ARDS), higher positive end-expiratory pressure (PEEP) levels are not likely to improve clinical outcomes, according to a review published in the October issue of the Annals of the American Thoracic Society.



Allopurinol has little benefit in cardiac syndrome X

Sun, 19 Nov 2017 05:30:08 EST

(HealthDay)—Allopurinol does not appear to improve exercise capacity or peripheral endothelial or coronary function in patients with cardiac syndrome X, according to a study published online Oct. 28 in Cardiovascular Therapeutics.



Erlotinib overdose tied to conjunctivitis

Sun, 19 Nov 2017 05:29:26 EST

(HealthDay)—Overdosing of erlotinib may be associated with rapid onset of conjunctivitis, according to a case report published online Oct. 25 in the Journal of Clinical Pharmacy and Therapeutics.



What it takes to get teens moving

Sun, 19 Nov 2017 05:29:05 EST

(HealthDay)—Teens with friends are active teens, a new study suggests.



In DR Congo, fight for sanitation is also a fight for dignity

Sat, 18 Nov 2017 04:32:16 EST

From crouching over a small hole with a sheet for privacy to defecating in the open air, for millions of people in the Democratic Republic of Congo going to the toilet is a daily act of misery.



Medicare 'Part B' premiums to rise next year for many

Fri, 17 Nov 2017 18:11:40 EST

Many Medicare beneficiaries will pay higher monthly premiums next year for outpatient coverage, eating away at an increase in their Social Security checks.



A mom's support helps a child learn to handle negative emotions, but what if mom is distressed?

Fri, 17 Nov 2017 18:09:16 EST

Handling a poorly timed tantrum from a toddler—such as in the middle of the grocery store—is never an easy task. It could serve as a teachable moment for a mom to help her child learn to manage his own emotions. After all, research shows that how parents react in these types of situations can play an important role in a child's emotional development.



A walk at the mall or the park? New study shows, for moms and daughters, a walk in the park is best

Fri, 17 Nov 2017 18:08:10 EST

Spending time together with family may help strengthen the family bond, but new research from the University of Illinois shows that specifically spending time outside in nature—even just a 20-minute walk—together can help family members get along even better.



Like a baby: The vicious cycle of childhood obesity and snoring

Fri, 17 Nov 2017 18:07:37 EST

Poor nutrition and lack of exercise lead to the increasing prevalence of obesity which, in turn, is the major predictor of diabetes and future risk of cardiovascular disease in western societies. Excess weight is also closely associated with obstructive sleep apnea (OSA), the increasingly common and potentially serious sleep disorder that is often marked by loud snoring. OSA affects about 5 to 10 percent of children 8 to 11 years old. While evidence suggests that OSA appears to exacerbate obesity and its comorbidities such as diabetes and cardiovascular disease, its effects on children have not yet been studied in detail.



Decrease in sunshine, increase in Rickets

Fri, 17 Nov 2017 18:04:15 EST

A University of Toronto student and professor have teamed up to discover that Britain's increasing cloudiness during the summer could be an important reason for the mysterious increase in Rickets among British children over the past few decades.



Small changes to organ procurement system could lead to more life-saving transplants

Fri, 17 Nov 2017 18:02:01 EST

Slight changes to the system for allocating deceased-donor kidneys could result in higher rates of organ procurement and lead to more kidney transplants across the country, according to new research co-authored by an Indiana University Kelley School of Business professor.



Hibernating ground squirrels provide clues to new stroke treatments

Fri, 17 Nov 2017 17:56:13 EST

In the fight against brain damage caused by stroke, researchers have turned to an unlikely source of inspiration: hibernating ground squirrels.



Flu vaccine prevents hospitalization in children

Fri, 17 Nov 2017 17:54:04 EST

Children vaccinated against influenza are significantly less likely to experience serious complications from the virus that could land them in hospital, new research from Public Health Ontario (PHO) and the Institute for Clinical Evaluative Sciences (ICES) has found.



How a poorly explored immune cell may impact cancer immunity and immunotherapy

Fri, 17 Nov 2017 14:00:01 EST

The immune cells that are trained to fight off the body's invaders can become defective. It's what allows cancer to develop. So most research has targeted these co-called effector T-cells.



Cardiorespiratory fitness is essential to reduce risk of coronary heart disease

Fri, 17 Nov 2017 13:00:03 EST

Coronary heart disease (CHD) is a leading cause of death for men in the U.S. Both cardiorespiratory fitness (CRF) and the blood triglyceride/high-density lipoprotein ratio (TG:HDL ratio) are strong predictors of death from CHD. In the current issue of Mayo Clinic Proceedings, two new studies highlight the importance of CRF on subsequent CVD and mortality risk. These articles contribute substantive evidence on the importance of achieving moderate to high levels of CRF in both adults and children.



Investigating patterns of degeneration in Alzheimer's disease

Fri, 17 Nov 2017 12:43:35 EST

Alzheimer's disease (AD) is known to cause memory loss and cognitive decline, but other functions of the brain can remain intact. The reasons cells in some brain regions degenerate while others are protected is largely unknown. In a paper to be published in Stem Cell Reports, researchers from Brigham and Women's Hospital have found that factors encoded in the DNA of brain cells contribute to the patterns of degeneration, or vulnerability, in AD.



Age and gut bacteria contribute to multiple sclerosis disease progression

Fri, 17 Nov 2017 12:40:53 EST

Researchers at Rutgers Robert Wood Johnson Medical School published a study suggesting that gut bacteria at young age can contribute to multiple sclerosis (MS) disease onset and progression.



Study analyzes mutations in cerebrospinal fluid in lung cancer with brain metastases

Fri, 17 Nov 2017 11:24:36 EST

Researchers have explored the analysis of mutations in cerebrospinal fluid of lung cancer patients with brain metastases in a study presented at the ESMO Asia 2017 Congress. Tumour tissue from brain metastasis is difficult to obtain and therefore less invasive methods are needed to identify and monitor the presence of known actionable mutations.



Study shows alectinib 600 mg more effective than crizotinib in Asian cancer patients

Fri, 17 Nov 2017 11:23:24 EST

A subanalysis of the phase III ALEX study has shown that alectinib 600 mg twice daily is more effective than standard of care crizotinib in Asian patients with anaplastic lymphoma kinase (ALK) positive non-small-cell lung cancer (NSCLC), researchers report at the ESMO Asia 2017 Congress.