http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. (Medical Xpress)—According to the World Health Organization, approximately 70 million couples experience infertility worldwide. Current data suggests that nearly one third of infertility disorders are due to poor sperm quality. For couples undergoing in vitro fertilization, certain sperm characteristics, such as motility and stamina, are crucial when sorting and selecting sperm. However, selecting the fittest sperm can be a challenge. http://medicalxpress.com/news/2013-05-sperm-sorting-aid-couples-vitro-fertilization.html Medical research Thu, 23 May 2013 08:20:02 EST news288514616 (Medical Xpress)—There is no significant risk directly associated with air travel during pregnancy, even at advanced gestation, says report by the University of Liverpool. http://medicalxpress.com/news/2013-05-air-pregnancy-poses-significant-experts.html Health Thu, 23 May 2013 08:10:01 EST news288514017 More than half of patients diagnosed with Non-Hodgkin Lymphoma (NHL) are now surviving the disease thanks to improved diagnosis and treatment, according to a new report1 from Cancer Research UK. http://medicalxpress.com/news/2013-05-non-hodgkin-lymphoma-survival-early-1970s.html Cancer Thu, 23 May 2013 08:00:02 EST news288513778 To coincide with the broadcast of Jabbed: Love, Fear and Vaccines (SBS ONE, Sunday 26 May at 8.30pm) the first ever national survey on Australian attitudes to vaccination reveals surprising statistics including half of Australians opposing immunisation get their information from the net. According to the survey those in favour of vaccination consult their GP. http://medicalxpress.com/news/2013-05-percent-australians-oppose-vaccination-internet.html Health Thu, 23 May 2013 07:53:03 EST news288514330 (Medical Xpress)—Scientists at Emory Vaccine Center have shown that an immune regulatory molecule called IL-21 is needed for long-lasting antibody responses in mice against viral infections. http://medicalxpress.com/news/2013-05-vaccine-blackjack-il-critical-viral.html Immunology Thu, 23 May 2013 07:46:40 EST news288513993 (Medical Xpress)—The first symptoms of major depression may be behavioral, but the common mental illness is based in biology—and not limited to the brain. http://medicalxpress.com/news/2013-05-depression-linked-telomere-enzyme-aging.html Psychology & Psychiatry Thu, 23 May 2013 07:40:46 EST news288513623 (Medical Xpress)—Researchers at the University of Virginia School of Medicine have identified a promising target for treating glioblastoma, one that appears to avoid many of the obstacles that typically frustrate efforts to develop effective treatments for this deadliest of cancers. http://medicalxpress.com/news/2013-05-master-deadly-brain-cancer.html Cancer Thu, 23 May 2013 07:34:54 EST news288513286 Human breastmilk responds quickly to protect the child when there is an infection in mothers or babies, according to new international research led by The University of Western Australia. http://medicalxpress.com/news/2013-05-fast-acting-mothers-healthier-babies.html Immunology Thu, 23 May 2013 07:34:31 EST news288513205 US teen births have dropped to a record low, but the country still has one of the highest rates among developed nations, the US Centers for Disease Control and Prevention said Thursday. http://medicalxpress.com/news/2013-05-teen-birth.html Health Thu, 23 May 2013 06:30:02 EST news288508321 Existing research shows that bicyclists who wear helmets have an 88 percent lower risk of brain injury, but researchers at Boston Children's Hospital found that simply having bicycle helmet laws in place showed a 20 percent decrease in deaths and injuries for children younger than 16 who were in bicycle-motor vehicle collisions. http://medicalxpress.com/news/2013-05-bicycle-related-fatalities-significantly-states-helmet.html Pediatrics Thu, 23 May 2013 00:00:01 EST news288468930 A new study published online today (Thursday) in the Journal of Public Health has found that of young people who visited fast food or chain restaurants in the U.S. in 2010, girls and youth who were obese were more likely to use calorie information given in the restaurants to inform their food choices. It also found that young people eating at fast food or chain restaurants twice a week or more were half as likely to use calorie information as those eating there once a week or less. http://medicalxpress.com/news/2013-05-calorie-fast-food-restaurants-percent.html Health Wed, 22 May 2013 19:15:07 EST news288468890 (HealthDay)—For HIV-infected individuals with recurrent Clostridium difficile infection, fecal microbiota therapy is feasible, according to a letter published in the May 21 issue of the Annals of Internal Medicine. http://medicalxpress.com/news/2013-05-fecal-microbiota-tx-feasible-recurrent.html HIV & AIDS Wed, 22 May 2013 18:20:01 EST news288458217 An independent panel of experts on Wednesday recommended US approval of a new Merck sleeping pill called suvorexant, but expressed concerns over the highest dosage and risks of drowsy daytime driving. http://medicalxpress.com/news/2013-05-fda-panel-experimental-merck-insomnia.html Medications Wed, 22 May 2013 18:09:22 EST news288464958 (HealthDay)—Implementation of systematic monitoring for medication adherence will allow for identification of barriers to adherence and tailoring of interventions, according to a viewpoint piece published in the May 22/29 issue of the Journal of the American Medical Association. http://medicalxpress.com/news/2013-05-systematic-screening-med-adherence-id.html Health Wed, 22 May 2013 17:30:02 EST news288458251 (HealthDay)—The American Cancer Society, which is celebrating on Wednesday a century of fighting a disease once viewed as a death sentence, is making a pledge to put itself out of business. http://medicalxpress.com/news/2013-05-american-cancer-society-celebrates-years.html Cancer Wed, 22 May 2013 17:30:01 EST news288458192 National Lung Screening Trial (NLST) investigators also conclude that the 20 percent reduction in lung cancer mortality with low-dose computed tomography (LDCT) versus chest X-ray (CXR) screening previously reported in the NLST primary paper is achievable at experienced screening centers in the United States. http://medicalxpress.com/news/2013-05-ct-lung-cancers-x-ray-screening.html Cancer Wed, 22 May 2013 17:04:17 EST news288461036 As the world prepares for what may be the next pandemic strain of influenza virus, in the H7N9 bird flu, a new UC Irvine study reveals that the 2009 H1N1 swine flu pandemic was deadliest for people under the age of 65, while those 65 and over had greater immunity due to previous exposure to similar viruses. http://medicalxpress.com/news/2013-05-swine-flu-pandemic-deadly-younger.html Diseases, Conditions, Syndromes Wed, 22 May 2013 17:00:02 EST news288460618 Every day, their baby stopped breathing, his collapsed bronchus blocking the crucial flow of air to his lungs. April and Bryan Gionfriddo watched helplessly, just praying that somehow the dire predictions weren't true. http://medicalxpress.com/news/2013-05-baby-life-groundbreaking-d-device.html Medical research Wed, 22 May 2013 17:00:01 EST news288460706 A new study shows there is a gender gap when it comes to behavior and self-control in American young children – one that does not appear to exist in children in Asia. http://medicalxpress.com/news/2013-05-boys-asia.html Psychology & Psychiatry Wed, 22 May 2013 16:56:01 EST news288460551 (AP)—The Obama administration says more doctors and hospitals are embracing technology as adoption of computerized medical records reaches a "tipping point" in America. http://medicalxpress.com/news/2013-05-doctors-hospitals-electronic.html Health Wed, 22 May 2013 16:30:02 EST news288457736 (HealthDay)—Migraines and depression can each cause a great deal of suffering, but new research indicates the combination of the two may be linked to something else entirely—a smaller brain. http://medicalxpress.com/news/2013-05-migraines-depression-smaller-brain.html Neuroscience Wed, 22 May 2013 16:23:29 EST news288458125 Canadian health authorities lifted Wednesday what was effectively a ban on gay men giving blood, announcing new rules making men who have not had sex with men in the past five years eligible. http://medicalxpress.com/news/2013-05-canada-gay-men-donating-blood.html HIV & AIDS Wed, 22 May 2013 16:20:02 EST news288457478 (HealthDay)—Over the last decade, the number of American children who die each year awaiting an organ donation dropped by more than half, new research reveals. And increasing numbers of children are receiving donor organs. http://medicalxpress.com/news/2013-05-kids-donor-gaps-persist.html Pediatrics Wed, 22 May 2013 16:13:55 EST news288458021 GlaxoSmithKline PLC says it's starting an unusual collaboration with the U.S. government to develop several antibiotics for both bioterrorism threats and bacterial infections resistant to current medicines. http://medicalxpress.com/news/2013-05-glaxo-partnering-antibiotics.html Medications Wed, 22 May 2013 16:07:06 EST news288457617 The World Health Organization says the Horn of Africa is experiencing an outbreak of polio with cases confirmed in Kenya and Somalia. http://medicalxpress.com/news/2013-05-polio-cases-kenya-somalia.html Diseases, Conditions, Syndromes Wed, 22 May 2013 16:06:48 EST news288457603 A man who had contracted the coronavirus has died in Saudi Arabia, raising the death toll in the kingdom from the SARS-like virus to 17, the health ministry announced on its website on Wednesday. http://medicalxpress.com/news/2013-05-sars-like-virus-life-saudi_1.html Diseases, Conditions, Syndromes Wed, 22 May 2013 16:05:37 EST news288457530 Until now, little was scientifically known about the human potential to cultivate compassion—the emotional state of caring for people who are suffering in a way that motivates altruistic behavior. http://medicalxpress.com/news/2013-05-brain-compassion.html Psychology & Psychiatry Wed, 22 May 2013 16:00:01 EST news288456434 A new approach for immunizing against influenza elicited a more potent immune response and broader protection than the currently licensed seasonal influenza vaccines when tested in mice and ferrets. The vaccine concept, which was developed by scientists at the National Institute of Allergy and Infectious Diseases (NIAID), represents an important step forward in the quest to develop a universal influenza vaccine—one that would protect against most or all influenza strains without the need for an annual vaccination. http://medicalxpress.com/news/2013-05-approach-influenza-vaccination-early-animal.html Diseases, Conditions, Syndromes Wed, 22 May 2013 15:38:42 EST news288455916 Johns Hopkins researchers report that hospitals may be reaping enormous income for patients whose hospital stays are complicated by preventable bloodstream infections contracted in their intensive care units. http://medicalxpress.com/news/2013-05-hospitals-profit-patients-bloodstream-infections.html Health Wed, 22 May 2013 15:37:14 EST news288455828 A new study from researchers in Japan indicates that obstructive sleep apnea (OSA) is independently associated with visceral (abdominal) fat accumulation only in men, perhaps explaining gender differences in the impact of OSA on cardiovascular disease and mortality. http://medicalxpress.com/news/2013-05-obstructive-apnea-visceral-fat-accumulation.html Sleep apnea Wed, 22 May 2013 15:36:50 EST news288455804