ScienceDaily: Health & Medicine News

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• Nonconcussion head impacts in contact sports linked to brain changes and lower test scores
• Dietary amino acids improve sleep problems in mice with traumatic brain injury
• Study finds that pediatric obesity patients like telehealth services
• Researchers show optimal framework for heartbeats
• Staying ahead of Huntington's disease
• Stimulant-addicted patients can quit smoking without hindering treatment
• Brain's never-before-seen cellular response to concussions could lead to therapy
• Malnourished children still have hope beyond first 1,000 days
• More powerful approach to analyze melanoma's genetic causes
• More physically active adults have improved cardiorespiratory fitness
• Game-changing shift occurring in cancer discovery, treatment
• Maternal health program in India failing to deliver, study shows
• Study finds biomaterials repair human heart
• New strain of bird flu packs a punch even after becoming drug-resistant
• Study raises questions about longstanding forensic identification technique
• Biodegradable or not?
• Researchers uncover mechanism controlling Tourette Syndrome tics
• Antivirals for HCV improve kidney, cardiovascular diseases in diabetic patients
• Spanking children slows cognitive development and increases risk of criminal behavior, expert says
• Step closer to muscle regeneration
• Can celebrity cancer diagnoses prompt quitting smoking?
• Key role of protein in segregation of genetic material during cell division
• Novel cancer cell DNA damage repair mechanism unveiled
• SIRT5 regulation has dramatic effect on mitochondrial metabolism
• Different food fish can cause different allergies
• HIV causes structural heart disease, study concludes
• New test facilitates diagnosis of autism in adults
• Are overweight children less able to handle advertising?
• Novel agent set for unique clinical test in inflammatory breast cancer
• New gene therapy proves promising as hemophilia treatment
• Video of failed bike stunt lends insights into biomechanics of facial fracture
• Low vitamin B12 levels increase risk of fractures in older men
• New route for development of anti-diarrhea drugs
• Affordable hearing aids
• Less painful drug delivery for pediatric leukemia patients is safe, effective, research suggests
• Drug-antibody pair has promising activity in non-Hodgkin lymphoma
• Study links broader health insurance with better health
• Personalizing cancer treatments for youngest patients
• Gut microbes affect MicroRNA response to bacterial infection
• First the hype, now the science: Evidence-based recommendations for PRP
• Antibiotic-resistant typhoid likely to spread despite drug control program
• Conflict zone contractors suffer high rates of PTSD, depression
• Strong state alcohol policies protective against binge drinking
• Most Americans avoid addressing end-of-life issues, according to new study
• Bisexual women have most health problems
• Fight against cancer: The anti-tumor activity of immune cells can be restored
• Tuberculosis in Zambia: spread, control of infection
• UK women scientists have fewer studies funded, given less money than men
• Lack of national policy to get UK kids more active is mass 'child neglect'

Nonconcussion head impacts in contact sports linked to brain changes and lower test scores Posted: 11 Dec 2013 03:55 PM PST Repeated blows to the head during a season of contact sports may cause changes in the brain's white matter and affect cognitive abilities even if none of the impacts resulted in a concussion.

Dietary amino acids improve sleep problems in mice with traumatic brain injury Posted: 11 Dec 2013 03:53 PM PST Scientists have discovered how to fix sleep disturbances in mice with traumatic brain injuries -- a discovery that could lead to help for hundreds of thousands of people who have long-term and debilitating sleep and wakefulness issues after they suffer concussions.

Study finds that pediatric obesity patients like telehealth services Posted: 11 Dec 2013 03:52 PM PST A pilot program offering telehealth technology to pediatric obesity patients found that a great majority of pediatric patients were satisfied with their telehealth appointment.

Researchers show optimal framework for heartbeats Posted: 11 Dec 2013 12:21 PM PST There is an optimal amount of strain that a beating heart can generate and still beat at its usual rate, once per second. Researchers have now shown that this "sweet spot" depends on the stiffness of the collagen framework that the heart's cells live within.

Staying ahead of Huntington's disease Posted: 11 Dec 2013 10:39 AM PST Researchers have made strides in staying ahead of Huntington's disease, a devastating, incurable disorder that results from the death of certain neurons in the brain.

Stimulant-addicted patients can quit smoking without hindering treatment Posted: 11 Dec 2013 10:29 AM PST Smokers who are addicted to cocaine or methamphetamine can quit smoking while being treated for their stimulant addiction, without interfering with stimulant addiction treatment, according to new research.

Brain's never-before-seen cellular response to concussions could lead to therapy Posted: 11 Dec 2013 10:29 AM PST A biology student spent the past few summers developing an experiment for observing the brain's cellular response to a concussion. The never-before-seen action could one day lead to therapies that mitigate brain damage following mild traumatic brain injuries.

Malnourished children still have hope beyond first 1,000 days Posted: 11 Dec 2013 10:27 AM PST New research is finding that global health workers should not give up on impoverished children after the first 1,000 days. In a longitudinal study of 8,000 children from four poverty-laden countries, health science researchers found that the developmental damage of malnutrition during the first 1,000 days is not irreversible.

More powerful approach to analyze melanoma's genetic causes Posted: 11 Dec 2013 10:25 AM PST There may be a better way to analyze the genetic causes of cutaneous melanoma according to a study published. A statistical analysis using the natural and orthogonal interaction model showed increased power over existing approaches for detecting genetic effects and interactions when applied to the genome-wide melanoma dataset.

More physically active adults have improved cardiorespiratory fitness Posted: 11 Dec 2013 10:25 AM PST Fewer than half of adults in the United States meet the recommended physical activity guidelines set by the Centers for Disease Control and Prevention. Often physical inactivity may be associated with overweight and obese individuals, but even healthy, normal-weight Americans sometimes fail to meet physical activity guidelines. Now, researchers have found that simply encouraging healthy adults to be more physically active can improve their cardiorespiratory fitness.

Game-changing shift occurring in cancer discovery, treatment Posted: 11 Dec 2013 10:25 AM PST Research advances that have come to fruition over the past year demonstrate extraordinary progress in the fight against cancer, according to a new report. The report stresses, however, that recent budget cuts and years-long flat funding can only delay efforts to translate research into effective treatments for millions of individuals with cancer.

Maternal health program in India failing to deliver, study shows Posted: 11 Dec 2013 10:17 AM PST The Chiranjeevi Yojana program aimed at reducing infant and maternal deaths in rural India by encouraging mothers to deliver in private hospitals has been unsuccessful, despite the investment of more than $25 million since 2005, a new study finds. The program in Gujarat, a state in northwestern India, received the Wall Street Journal Asian Innovation Award in 2006 and has been hailed by some as a model for wide adoption throughout India.

Study finds biomaterials repair human heart Posted: 11 Dec 2013 10:17 AM PST Biological scientists investigated a biomedical application following a coronary artery bypass surgery and found that the application allowed the human body to regenerate its own tissue.

New strain of bird flu packs a punch even after becoming drug-resistant Posted: 11 Dec 2013 07:46 AM PST Researchers have reported that a virulent new strain of influenza -- the virus that causes the flu -- appears to retain its ability to cause serious disease in humans even after it develops resistance to antiviral medications.

Study raises questions about longstanding forensic identification technique Posted: 11 Dec 2013 07:46 AM PST Forensic experts have long used the shape of a person's skull to make positive identifications of human remains. But those findings may now be called into question, since a new study shows that there is not enough variation in skull shapes to make a positive ID.

Biodegradable or not? Posted: 11 Dec 2013 07:46 AM PST In order to improve the evaluation process for the long-term consequences of pesticides, scientists have developed a new detection method and a model that can enable determinations regarding whether and how readily biodegradable the residues of pesticides are.

Researchers uncover mechanism controlling Tourette Syndrome tics Posted: 11 Dec 2013 07:41 AM PST A mechanism in the brain that controls tics in children with Tourette Syndrome has been discovered by scientists.

Antivirals for HCV improve kidney, cardiovascular diseases in diabetic patients Posted: 11 Dec 2013 07:41 AM PST Researchers reveal that antiviral therapy for hepatitis C virus (HCV) improves kidney and cardiovascular outcomes for patients with diabetes. Results show that incidences of kidney disease, stroke, and heart attack were lower in patients treated with pegylated interferon and ribavirin compared to HCV patients not treated with antivirals or diabetic patients not infected with the virus.

Spanking children slows cognitive development and increases risk of criminal behavior, expert says Posted: 11 Dec 2013 07:39 AM PST A scientist makes a definitive case against spanking, including how it slows cognitive development and increases antisocial and criminal behavior.

Step closer to muscle regeneration Posted: 11 Dec 2013 06:39 AM PST Muscle cell therapy to treat some degenerative diseases, including Muscular Dystrophy, could be a more realistic clinical possibility, now that scientists have found a way to isolate muscle cells from embryonic tissue.

Can celebrity cancer diagnoses prompt quitting smoking? Posted: 11 Dec 2013 06:39 AM PST In a study published, researchers found that when celebrities publicly discuss their struggles with cancer diagnoses, the resulting media coverage prompts more smokers to search for information on quitting than events like New Year's Day or World No Tobacco Day.

Key role of protein in segregation of genetic material during cell division Posted: 11 Dec 2013 06:39 AM PST Researchers have reported the regulator mechanisms of mitosis, a key stage of the cell-cycle for the correct transmission of genetic information from parents to sons.

Novel cancer cell DNA damage repair mechanism unveiled Posted: 11 Dec 2013 06:38 AM PST Cancer cells have an exceptional ability to repair damage to their DNA caused during uncontrolled cell division. Scientists have now unveiled a novel piece of the puzzle of cancer cell DNA repair mechanisms that explain the mechanistic changes in the genetic code of cancer cells.

SIRT5 regulation has dramatic effect on mitochondrial metabolism Posted: 11 Dec 2013 06:38 AM PST The Sirtuin family of protein deacylases has received considerable attention due to its links to longevity, diabetes, cancer, and metabolic regulation. Researchers identified widespread regulation of proteins involved in metabolism by the mitochondrial sirtuin, SIRT5. These and related findings have widespread implications for understanding metabolic function in both normal and disease states.

Different food fish can cause different allergies Posted: 11 Dec 2013 06:37 AM PST Different fish can cause different allergies when eaten. Research into protein provides new insight into these fish allergies.

HIV causes structural heart disease, study concludes Posted: 11 Dec 2013 04:05 AM PST The findings of a study support the introduction of cardiovascular screening in all HIV patients, particularly those with a positive blood viral load.

New test facilitates diagnosis of autism in adults Posted: 11 Dec 2013 04:02 AM PST Researchers have developed a new screening tool to facilitate the diagnosis of Autism Spectrum Disorder in adults. The test is unique in that researchers have, as part of their evaluation, compared the group diagnosed with Autism Spectrum Disorder with psychiatric patients.

Are overweight children less able to handle advertising? Posted: 11 Dec 2013 04:02 AM PST Weight, body shape perception, self-esteem and dietary habits all contribute to how children handle food advertising. A new study suggests that overweight children, in particular, could benefit from special training, in order to increase their media skills in relation to the exposure to advertising.

Novel agent set for unique clinical test in inflammatory breast cancer Posted: 10 Dec 2013 01:35 PM PST A drug now used to treat a type of lymphoma has shown surprising benefit in preclinical studies of inflammatory breast cancer.

New gene therapy proves promising as hemophilia treatment Posted: 10 Dec 2013 12:25 PM PST Researchers have found that a new kind of gene therapy led to a dramatic decline in bleeding events in dogs with naturally occurring hemophilia A, a serious and costly bleeding condition.

Video of failed bike stunt lends insights into biomechanics of facial fracture Posted: 10 Dec 2013 09:06 AM PST A man attempting a bicycle stunt made a significant —- if unintended -— contribution to surgical science, as a video of his crash allowed researchers to analyze the "kinematic and dynamic parameters" of the accident and resulting facial fractures.

Low vitamin B12 levels increase risk of fractures in older men Posted: 10 Dec 2013 06:12 AM PST Older men who have low levels of vitamin B12 have a higher risk of having fractures. These are the findings of researchers as a part of an international study of a total of 1000 older men.

New route for development of anti-diarrhea drugs Posted: 10 Dec 2013 06:12 AM PST New gastroenterology research has uncovered a new route for the development of anti-diarrhea drugs. The new route directly targets cells and molecular processes that control water movement into the intestine and may help with the development of a new class of anti-diarrhea medication.

Affordable hearing aids Posted: 10 Dec 2013 06:12 AM PST Norwegian researchers are developing a simple and cheap hearing aid that can be adapted to compensate for a child's hearing loss without the need for specialists. The aim is to help more people in the third world.

Less painful drug delivery for pediatric leukemia patients is safe, effective, research suggests Posted: 10 Dec 2013 06:11 AM PST Children with acute lymphoblastic leukemia (ALL), the most common form of pediatric cancer, can safely receive intravenous infusions of a reformulated mainstay of chemotherapy that has been delivered via painful intramuscular injection for more than 40 years, research suggests.

Drug-antibody pair has promising activity in non-Hodgkin lymphoma Posted: 10 Dec 2013 06:11 AM PST A toxin linked to a targeted monoclonal antibody has shown "compelling" antitumor activity in patients with non-Hodgkin lymphomas who were no longer responding to treatment, according to a report.

Study links broader health insurance with better health Posted: 10 Dec 2013 06:11 AM PST In 2006, Massachusetts was on the same brink that the entire nation is on today: the brink of expanding health insurance to cover far more people than before. Now, a study shows the health of its residents improved measurably, especially among the poor and near-poor, in just the first five years -- compared with the health of neighboring states.

Personalizing cancer treatments for youngest patients Posted: 10 Dec 2013 06:11 AM PST The aim of personalizing cancer treatments by targeting genomic mutations in the cancer has seen rapid advances in recent years. However, many of these targeted cancer therapies have been more frequently identified for adult patients. Recognizing a need to further explore genomic profiling in pediatric malignancies, funding has been committed to these efforts.

Gut microbes affect MicroRNA response to bacterial infection Posted: 10 Dec 2013 04:21 AM PST When it comes to fighting off pathogens like Listeria, your best allies may be the billions of microorganisms that line your gut, according to new research. The study reveals that germ-free mice are more susceptible to infection with the foodborne pathogen Listeria monocytogenes than mice with conventional intestinal microbiota.

First the hype, now the science: Evidence-based recommendations for PRP Posted: 10 Dec 2013 04:21 AM PST A paper offers the first evidence-based recommendations for use of PRP in orthopaedic care. The authors determined which musculoskeletal conditions PRP is successful in treating and where more research is needed.

Antibiotic-resistant typhoid likely to spread despite drug control program Posted: 10 Dec 2013 04:21 AM PST Restricting the use of antibiotics is unlikely to stop the spread of drug resistance in typhoid fever, according to a study.

Conflict zone contractors suffer high rates of PTSD, depression Posted: 10 Dec 2013 04:21 AM PST Private contractors who worked in Iraq, Afghanistan or other conflict environments over the past two years report suffering from post-traumatic stress disorder and depression more often than military personnel who served in recent conflicts, according to a new study. Researchers found that among the contractors studied, 25 percent met criteria for PTSD, 18 percent screened positive for depression and half reported alcohol misuse. Relatively few get help either before or after deployment.

Strong state alcohol policies protective against binge drinking Posted: 10 Dec 2013 04:21 AM PST According to a new study, a novel composite measure consisting of 29 alcohol policies demonstrates that a strong alcohol policy environment is a protective factor against binge drinking in the U.S.

Most Americans avoid addressing end-of-life issues, according to new study Posted: 10 Dec 2013 04:21 AM PST During the past two decades, high-profile legal cases surrounding end-of-life decisions have received widespread attention in the United States, prompting increased media focus and numerous debates on the subject.

Bisexual women have most health problems Posted: 10 Dec 2013 04:20 AM PST A new report on the lives of lesbians, gays and bisexuals shows that the situation in most areas is comparable to that of heterosexuals. Still, a small group shows signs of marginalization and minority stress: bisexual women.

Fight against cancer: The anti-tumor activity of immune cells can be restored Posted: 10 Dec 2013 04:20 AM PST Researchers have revealed a mechanism that explains why the anti-tumor activity of specific immune cells called macrophages is suppressed during tumor growth. They have also demonstrated that blocking the protein Nrp1 can restore this anti-tumor immune response. This is a first, and may provide an important hub for the development of new therapies against cancer.

Tuberculosis in Zambia: spread, control of infection Posted: 10 Dec 2013 04:19 AM PST In Zambia, the incidence of all forms of human tuberculosis is estimated to be 444 per 100,000. There is also a high incidence of HIV and AIDS in the country. In the Kafue area, a high incidence of Mycobacterium bovis in both cattle and the Kafue lechwe antilope has been detected. This bacterium can infect humans and has been found in humans in the studied region of Namwala. Mycobacterium tuberculosis, which is the main cause of human tuberculosis, has also been detected in cattle in this region.

UK women scientists have fewer studies funded, given less money than men Posted: 09 Dec 2013 05:41 PM PST Women scientists specializing in infectious disease research have fewer studies funded than men, and receive less funding across most topic areas in the specialty than their male peers, finds a study published.

Lack of national policy to get UK kids more active is mass 'child neglect' Posted: 09 Dec 2013 05:41 PM PST The failure of successive governments to implement a comprehensive national policy to get UK kids more active and stave off the litany of health and other problems their sedentary lifestyle is storing up for them, is mass "child neglect," say experts.

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