ScienceDaily: Health & Medicine News

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• Nutrition data review shows red meat has neutral effect on cardiovascular disease risk factors
• Oral vaccine against Salmonella developed
• How bacteria survive antibiotic treatment
• Alzheimer's advance: Early stage study in mice show new drugs restore memory loss and prolong life
• Researchers develop first chikungunya vaccine from virus that does not affect people
• Nanoparticle-based method shows promise in DNA vaccine delivery
• Researchers caution parents to prevent electrical cord burns to the mouth
• First use of graphene to detect cancer cells
• El Niño fueled Zika outbreak, new study suggests
• Important element of immune defense against fungal infections discovered
• Why exposure to rhythmic stimulation at certain frequencies facilitate epileptic seizures
• Long-term anti-inflammatory drug use may increase cancer-related deaths for certain patients
• With eyes or noses? How young children use sensory cues to make social decisions
• DNA markers distinguish between harmless, deadly bacteria
• New stem cell delivery approach regenerates dental pulp-like tissue in a rodent model
• Powerful defenders of the brain discovered, with big implications for disease and injury
• Ancient Chinese malaria remedy fights TB
• Discoveries from largest genome-wide study of chronic liver disease
• Pregnancy leads to changes in the mother's brain
• Genetic biomarker IDs patients with increased risk for heart damage by anthracycline chemo
• Tumor DNA in blood may serve as prognostic marker of pancreatic cancer
• Newly identified pathway in mitochondria fuels tumor progression across cancer types
• Cardiac imaging detects serious residual septal defects during child open heart surgery
• Poll: Some parents forgo car seats, other safety measures while traveling
• Noise sensitivity traced to changes in brain functions
• Weight loss surgery linked to gastrointestinal complaints
• Ultrasound detects heart dysfunction after successful repair of aortic narrowing
• Surgical ablation found to be effective in reducing atrial fibrillation and improving quality of life
• Causal links between cannabis, schizophrenia: New evidence
• Girls with poorer motor skills more likely than boys to be obese
• New study reveals how nurse staffing levels link to patient outcomes

Nutrition data review shows red meat has neutral effect on cardiovascular disease risk factors Posted: 19 Dec 2016 05:20 PM PST Consuming red meat in amounts above what is typically recommended does not affect short-term cardiovascular disease risk factors, such as blood pressure and blood cholesterol, according to a new review.

Oral vaccine against Salmonella developed Posted: 19 Dec 2016 05:20 PM PST A vaccine against salmonella poisoning, designed to be taken by mouth, has now been developed by researchers.

How bacteria survive antibiotic treatment Posted: 19 Dec 2016 01:16 PM PST Multiresistant bacteria scientists around the world are working hard to win the battle against multi-resistant bacteria. A new publication now presents how even sensitive bacteria often manage to survive antibiotic treatment as so-called 'persister cells.' The comprehensive perspective on this phenomenon may help to improve current options of drug treatment and could even inspire the discovery of novel antibiotics targeting these notoriously difficult-to-treat persister bacteria.

Alzheimer's advance: Early stage study in mice show new drugs restore memory loss and prolong life Posted: 19 Dec 2016 01:16 PM PST Breakthrough findings demonstrate a possible target and potential drug treatment to restore memory loss and extend life span in mice with neurodegeneration.

Researchers develop first chikungunya vaccine from virus that does not affect people Posted: 19 Dec 2016 01:15 PM PST Researchers have developed the first vaccine for chikungunya fever made from an insect-specific virus that doesn't have any effect on people, making the vaccine safe and effective. The newly developed vaccine quickly produces a strong immune defense and completely protects mice and nonhuman primates from disease when exposed to the chikungunya virus.

Nanoparticle-based method shows promise in DNA vaccine delivery Posted: 19 Dec 2016 12:19 PM PST Researchers have developed a novel method for delivering therapeutic molecules into cells. The method harnesses gold nanoparticles that are electrically activated, causing them to oscillate and bore holes in cells' outer membranes and allowing key molecules -- such as DNA, RNA, and proteins -- to gain entry.

Researchers caution parents to prevent electrical cord burns to the mouth Posted: 19 Dec 2016 12:18 PM PST With millions of Americans decorating their homes for the holidays, tangles of extension cords and electrical wires are a common sight. Researchers have estimated more than 1,000 injuries in children caused by oral electrical burns were reported in emergency rooms from 1997 to 2012. The researchers caution parents and caregivers of young children to be mindful of the dangers of electrical burns to the mouth.

First use of graphene to detect cancer cells Posted: 19 Dec 2016 12:17 PM PST By interfacing brain cells onto graphene, researchers have shown they can differentiate a single hyperactive cancerous cell from a normal cell, pointing the way to developing a simple, noninvasive tool for early cancer diagnosis.

El Niño fueled Zika outbreak, new study suggests Posted: 19 Dec 2016 12:17 PM PST A change in weather patterns, brought on by the 'Godzilla' El Niño of 2015, fueled the Zika outbreak in South America, researchers report.

Important element of immune defense against fungal infections discovered Posted: 19 Dec 2016 10:44 AM PST Fungal infections are a serious health risk. They can be harmful especially to patients whose immune system is compromised through illness or chemotherapy. Scientists have discovered an important mechanism in the body's defenses against fungi. The discovery explains, among other things, why people with certain genetic variations are more susceptible to fungal infections.

Why exposure to rhythmic stimulation at certain frequencies facilitate epileptic seizures Posted: 19 Dec 2016 10:44 AM PST New research proposes an explanation for the occurrence of epileptic seizures as a result of the exposure to certain stimuli.

Long-term anti-inflammatory drug use may increase cancer-related deaths for certain patients Posted: 19 Dec 2016 10:44 AM PST Regular use of over-the-counter non-steroidal inflammatory drugs (NSAIDs) such as aspirin and ibuprofen is associated with an increased risk of dying in patients diagnosed with Type 1 endometrial cancers, according to a new population-based study.

With eyes or noses? How young children use sensory cues to make social decisions Posted: 19 Dec 2016 10:38 AM PST Children begin using olfactory information to help guide their responses to emotionally-expressive faces at about age five, research shows. These findings advance understanding of how children integrate different types of sensory information to direct their social behavior.

DNA markers distinguish between harmless, deadly bacteria Posted: 19 Dec 2016 10:38 AM PST Through a new study of the coccobacillus Francisella, researchers are working to use DNA markers to discern related but relatively harmless species as they are identified and to provide a means to distinguish them from the harmful F. tularensis.

New stem cell delivery approach regenerates dental pulp-like tissue in a rodent model Posted: 19 Dec 2016 09:01 AM PST Delivery of stem cells to damaged tooth roots using a collagen-derived biomaterial is effective at regenerating dental pulp-like tissue and shows promise as a potential therapy for restoring natural tooth function in a rodent model.

Powerful defenders of the brain discovered, with big implications for disease and injury Posted: 19 Dec 2016 09:01 AM PST A rare and potent type of immune cell has been discovered around the brain, suggesting the cells may play a critical role in battling Alzheimer's, multiple sclerosis and other diseases. By harnessing the cells' power, doctors may be able to develop new treatments for disease, traumatic brain injury and spinal cord injuries -- even migraines.

Ancient Chinese malaria remedy fights TB Posted: 19 Dec 2016 08:55 AM PST A centuries-old herbal medicine, discovered by Chinese scientists and used to effectively treat malaria, has been found to potentially aid in the treatment of tuberculosis and may slow the evolution of drug resistance.

Discoveries from largest genome-wide study of chronic liver disease Posted: 19 Dec 2016 08:55 AM PST A study of unprecedented scale has led researchers to identify four previously unknown genetic risk locations for primary sclerosing cholangitis, a liver disease that lacks effective medical therapy. A new article highlights the undertaking, which is the largest genome-wide association study of primary sclerosing cholangitis to date and a step toward providing breakthrough treatments for the unmet needs of primary sclerosing cholangitis patients.

Pregnancy leads to changes in the mother's brain Posted: 19 Dec 2016 08:52 AM PST A new study is the first to reveal how pregnancy causes long-lasting alterations in brain structure, probably related to improving the mother's ability to protect and interact with the child.

Genetic biomarker IDs patients with increased risk for heart damage by anthracycline chemo Posted: 19 Dec 2016 05:57 AM PST Among women with breast cancer who received a type of chemotherapy called an anthracycline, those who had a certain genetic biomarker had a significantly increased risk for having anthracycline-induced congestive heart failure.

Tumor DNA in blood may serve as prognostic marker of pancreatic cancer Posted: 19 Dec 2016 05:57 AM PST The presence of circulating tumor DNA (ctDNA) isolated from blood samples of patients with pancreatic adenocarcinoma was associated with poor outcomes, report investigators.

Newly identified pathway in mitochondria fuels tumor progression across cancer types Posted: 19 Dec 2016 05:57 AM PST Scientists have identified a novel protein pathway across several types of cancer that controls how tumor cells acquire the energy necessary for movement, invasion and metastasis. This protein pathway was previously only observed in neurons and represents a potential therapeutic target for several types of cancer.

Cardiac imaging detects serious residual septal defects during child open heart surgery Posted: 19 Dec 2016 05:57 AM PST Using cardiac imaging during heart surgery can detect serious residual holes in the heart that may occur when surgeons repair a child's heart defect, and offers surgeons the opportunity to close those holes during the same operation. Pediatric cardiology experts say using this tool, called transesophageal echocardiography, during surgery may improve outcomes for children with congenital heart disease.

Poll: Some parents forgo car seats, other safety measures while traveling Posted: 19 Dec 2016 05:54 AM PST But what some parents may not plan for ahead of vacation: accidental poisoning risks, gun safety and Uber rides.

Noise sensitivity traced to changes in brain functions Posted: 19 Dec 2016 05:50 AM PST The degree to which one is disturbed by noises of everyday life may be related to how the brain processes variations in the sound stream, according to new findings.

Weight loss surgery linked to gastrointestinal complaints Posted: 19 Dec 2016 05:46 AM PST Laparoscopic gastric bypass is an effective treatment for obesity, but a new study finds that patients who undergo the surgery often complain of gastrointestinal problems. The study included 249 obese patients who underwent the surgery and 295 obese controls, all of whom completed a questionnaire. Surgical patients completed the questionnaire two years after surgery. Surgical patients often experienced indigestion. Also, food intolerance, especially for food with a high fat or sugar content and for red meat, was a common side-effect of the surgery: food intolerance for specific products was reported by 70.7 per cent of postoperative patients compared with 16.9 percent of controls.

Ultrasound detects heart dysfunction after successful repair of aortic narrowing Posted: 19 Dec 2016 05:46 AM PST New echocardiographic ultrasound methods can non-invasively evaluate deformation of the heart muscle in order to identify abnormal function in children who were operated for coarctation (narrowing) of the aorta. Surgical intervention in infants is a worldwide and often vital procedure, but new research reveals that echocardiography post-surgery can and should be used to detect early and asymptomatic heart dysfunction.

Surgical ablation found to be effective in reducing atrial fibrillation and improving quality of life Posted: 19 Dec 2016 05:46 AM PST New clinical practice guidelines include major recommendations for the use of surgical ablation when treating atrial fibrillation (Afib), the most common type of irregular heartbeat.

Causal links between cannabis, schizophrenia: New evidence Posted: 19 Dec 2016 05:46 AM PST People who have a greater risk of developing schizophrenia are more likely to try cannabis, according to new research, which also found a causal link between trying the drug and an increased risk of the condition.

Girls with poorer motor skills more likely than boys to be obese Posted: 19 Dec 2016 05:46 AM PST Young girls who exhibit a poor mastery of fundamental movement skills (FMS) are more likely to be obese than boys who have similarly low skills, according to research.

New study reveals how nurse staffing levels link to patient outcomes Posted: 18 Dec 2016 05:52 PM PST A new study investigates the links between variations in patient wellbeing and how registered nurses deliver care to their patients.

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