ScienceDaily Health Headlines
for Thursday, January 20, 2011
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Celiac patients can eat hydrolyzed wheat flour, study finds (January 20, 2011) -- Baked goods made from hydrolyzed wheat flour are not toxic to celiac disease patients, according to new research. ... > full story
Molecular battle in cancer cells offers clues for treatment (January 20, 2011) -- Researchers investigating a genetic mutation in brain cancer and leukemia patients have discovered how one cancer metabolite battles another normal metabolite to contribute cancer development. Helping the "good guys" win that battle could yield new approaches for treatment. ... > full story
Novel antibiotic combinations fight resistance genes (January 20, 2011) -- The combination the antibiotic ceftazidime plus the compound NXL104 is active against bacterial pathogens containing genes that confer resistance to multiple carbapenems, according to new research. ... > full story
End-of-life decisions take longer if patient hasn't shared wishes with family, study finds (January 20, 2011) -- Family caregivers who had not discussed life support measures with critically ill patients took nearly two weeks longer to decide to forgo further medical intervention than those who had prior conversations about the issues, according to researchers. ... > full story
Complete structure of HIV’s outer shell revealed (January 20, 2011) -- Scientists have determined the structure of the protein package that delivers the genetic material of the human immunodeficiency virus (HIV) to human cells. ... > full story
Staph vaccine shows promise in Phase I (January 20, 2011) -- A new experimental vaccine against Staphylococcus aureus has been shown to be well-tolerated, and to boost antibodies, according to new research. ... > full story
Converting 2-D photo into 3-D face for security applications and forensics (January 20, 2011) -- It is possible to construct a 3-D face from flat 2-D images, according to new research. The discovery could be used for biometrics in security applications or in forensic investigations. ... > full story
New CPR technique for out-of-hospital cardiac arrest increases survival by 53 percent (January 19, 2011) -- An alternative method of cardipulmonary resuscitation increases long-term survival of patients. The study determined that active compression-decompression cardio-pulmonary resuscitation (CPR) with augmentation of negative intrathoracic pressure gave patients a better chance of survival. ... > full story
Unlocking the secret(ase) of building neural circuits (January 19, 2011) -- Mutant presenilin is infamous for its role in the most aggressive form of Alzheimer's disease -- early-onset familial Alzheimer's -- which can strike people as early as their 30s. In their latest study, researchers uncovered presenilin's productive side: It helps embryonic motor neurons navigate the maze of chemical cues that pull, push and hem them in on their way to their proper targets. Without it, budding motor neurons misread their guidance signals and get stuck in the spinal cord. ... > full story
Health-care systems not using best evidence in decision-making, expert argues (January 19, 2011) -- Health-care systems around the world are failing to use evidence obtained through research when making decisions, causing inefficiencies and reduced quantity and quality of life, according to an expert in the field of "knowledge translation." ... > full story
Possible new treatment for severe 2009 H1N1 infection (January 19, 2011) -- Convalescent plasma therapy -- using plasma from patients who have recovered from an infection to treat those with the same infection -- has been used to treat multiple diseases. However, the efficacy of this treatment in patients with severe 2009 H1N1 influenza is unknown. A new study suggests that convalescent plasma may reduce the death rate in patients severely ill with this type of influenza. ... > full story
Killer paper for next-generation food packaging (January 19, 2011) -- Scientists are reporting development and successful lab tests of "killer paper," a material intended for use as a new food packaging material that helps preserve foods by fighting the bacteria that cause spoilage. The paper contains a coating of silver nanoparticles, which are powerful anti-bacterial agents. ... > full story
Girls who are bullied are at risk for substance use through depression (January 19, 2011) -- Bullying is a serious problem among adolescents. Parents need to know the signs of bullying and related issues, such as depression and substance abuse. ... > full story
Birth control pills do not cause weight gain, new research suggests (January 19, 2011) -- The commonly held belief that oral contraceptives cause weight gain appears to be false, new research suggests. ... > full story
Roundworm unlocks pancreatic cancer pathway (January 19, 2011) -- Scientists took a step back to a simpler organism -- a common roundworm -- and made a discovery about how the Ras oncogene chooses a signaling pathway and how the consequences of that choice play out in cellular development -- a key issue in cancer, which is characterized by uncontrolled cell growth. ... > full story
Risks, consequences of video game addiction identified in new study (January 19, 2011) -- A new study by an international research team has found further evidence that video game "addiction" exists globally and that greater amounts of gaming, lower social competence and greater impulsiveness were risk factors for becoming pathological gamers. The two-year longitudinal study of 3,034 third through eighth grade students in Singapore also found that some serious problems -- including depression, anxiety, social phobias and lower school performance -- seemed to be outcomes of their pathological play. ... > full story
Antioxidants may improve chances of conceiving in male subfertility (January 19, 2011) -- Antioxidant supplements may benefit couples who have difficulty conceiving naturally, according to a new systematic review. The review provides evidence from a small number of trials that suggest the partners of men who take antioxidants are more likely to become pregnant. ... > full story
Malaria parasite caught red-handed invading blood cells (January 19, 2011) -- Scientists using new image and cell technologies have for the first time caught malaria parasites in the act of invading red blood cells. The researchers achieved this long-held aim using a combination of electron, light and super resolution microscopy. ... > full story
Eating more fruit and vegetables is linked to a lower risk of dying from ischemic heart disease (January 19, 2011) -- A new study investigating the links between diet and disease has found that people who consume more fruit and vegetables have a lower risk of dying from ischemic heart disease -- the most common form of heart disease and one of the leading causes of death in Europe. ... > full story
Researcher warns of health risks with carbon nanotubes (January 19, 2011) -- Carbon nanotubes, which are extremely small fibers used in many new light and strong materials, may present health risks if inhaled, in the worst case leading to cancer, according to new research. ... > full story
Students are more likely to retake the SAT if their score ends with '90' (January 19, 2011) -- High school students are more likely to retake the SAT if they score just below a round number, such as 1290, than if they score just above it. That's the conclusion of a new study that found that round numbers are strong motivators. ... > full story
Antioxidants might cause fertility problems in females, scientists discover (January 19, 2011) -- Antioxidants are sold over the counter everywhere. They're added to food, drink and face cream. But new research has revealed a possible unexpected side effect of antioxidants: They might cause fertility problems in females. ... > full story
In scientific first, researchers visualize naturally occurring mRNA (January 19, 2011) -- In a technique that could eventually shed light on how gene expression influences human disease, scientists have for the first time ever successfully visualized single molecules of naturally occurring messenger RNA transcribed in living mammalian cells. ... > full story
New way of predicting dominant seasonal flu strain (January 19, 2011) -- Scientists have found a way to predict rapidly whether a new strain of the influenza virus should be included in the annual seasonal flu vaccine. While it sometimes takes new flu strains up to three years to become dominant worldwide, the new method can predict whether they will become dominant as little as two weeks after the strain's genetic sequence first appears in the publicly available GenBank database. ... > full story
When video games get problematic so do smoking, drug use and aggression (January 19, 2011) -- A new study on gaming and health in adolescents found some significant gender differences linked to gaming as well as important health risks associated with problematic gaming. The study is among the first and largest to examine possible health links to gaming and problematic gaming in a community sample of adolescents. ... > full story
Does long-term cell phone use lead to brain tumors? (January 19, 2011) -- Research suggests that long-term exposure to microwaves from cellular phones may lead to an increased risk of brain tumors. Although debate continues, independent studies with long-term follow-up strongly suggest an increased risk of brain tumors related to the use of cellular or cordless phones. ... > full story
New leads in the case against drug-resistant biofilms (January 19, 2011) -- Films of bacteria that form around foreign materials in the body can be very difficult to defeat with drugs, but biologists have now identified a couple proteins that play a key role in building these "biofilms." This pair could prove to be a very important target for developing new antibiotics to fight infections. ... > full story
Prostate cancer treatment linked to higher rate of colon cancer, study finds (January 19, 2011) -- Men treated with hormone-based therapy for prostate cancer faced a 30 percent to 40 percent higher risk of colorectal cancer, compared to patients who did not receive this treatment, according to a new study. ... > full story
Appetite-related chemical also affects drug-seeking: Hungry rats more resistant to drug relapse in absence of chemical signal (January 19, 2011) -- A behavioral study of food-deprived rats shows that the animals were less likely to return to heroin-seeking habits when given a compound that blocks specific brain receptors. ... > full story
Nanotech medicine to rebuild damaged parts of human body (January 19, 2011) -- To rebuild damaged parts of a human body from scratch is a dream that has long fired human imagination, from Mary Shelley's Doctor Frankenstein to modern day surgeons. Now scientists have made a promising contribution to reconstructive surgery, thanks to an original multidisciplinary approach matching cutting-edge medicine to the latest developments in nanotechnology. ... > full story
Long-term, high-fat diet alters mice brains: Brain changes may contribute to cycles of weight gain (January 19, 2011) -- The brains of mice fed a high-fat diet for an extended period of time showed irreversible changes in areas associated with reward and pleasure, a new study has found. ... > full story
Statins don't prove useful for general pediatric lupus population (January 19, 2011) -- Lupus puts children at higher risk for coronary artery disease when they become adults, but routinely using statins doesn't provide enough benefit to warrant their regular use in children and adolescents, according to the largest study of pediatric lupus patients to date. ... > full story
Color and shape of pills affects how patients feel about their medication (January 19, 2011) -- According to recent research the color, shape, taste and even name of a tablet or pill can have an effect on how patients feel about their medication. Choose an appropriate combination and the placebo effect gives the pill a boost, improves outcomes and might even reduce side effects. Now, researchers have surveyed users of over-the-counter medication to find out just how much the color of a tablet influences patient choice. ... > full story
New molecule could save brain cells from neurodegeneration, stroke (January 19, 2011) -- Researchers have discovered a molecule that can make brain cells resistant to programmed cell death or apoptosis. ... > full story
X-rays linked to increased childhood leukemia risk (January 19, 2011) -- Diagnostic X-rays may increase the risk of developing childhood leukemia, according to a new study. Specifically, the researchers found that children with acute lymphoid leukemia had almost twice the chance of having been exposed to three or more X-rays compared with children who did not have leukemia. ... > full story
Vitamin D levels lower in African-Americans, research finds (January 19, 2011) -- African-American women had lower vitamin D levels than white women, and vitamin D deficiency was associated with a greater likelihood for aggressive breast cancer, according to new research. ... > full story
Brain imaging identifies differences in childhood bipolar disorder, ADHD (January 19, 2011) -- Researchers are now using brain imaging to examine the effects of emotion on working memory function in children with pediatric bipolar disorder or attention deficit hyperactivity disorder. ... > full story
Cardiologists uncover new heart attack warning sign (January 18, 2011) -- Cardiologist have identified a protein fragment that is a likely biomarker for heart attack. ... > full story
Scientific evidence supports effectiveness of Chinese drug for cataracts (January 18, 2011) -- Scientists are reporting a scientific basis for the long-standing belief that a widely used non-prescription drug in China and certain other countries can prevent and treat cataracts, a clouding of the lens of the eye that is a leading cause of vision loss worldwide. ... > full story
Statin risks may outweigh benefits for patients with a history of brain hemorrhage (January 18, 2011) -- A computer decision model suggests that for patients with a history of bleeding within the brain, the risk of recurrence associated with statin treatment may outweigh the benefit of the drug in preventing cardiovascular disease, according to a new study. ... > full story
The importance of making a good first impression in the classroom (January 18, 2011) -- A study of how medical students evaluate their professors is illustrating the critical importance of making a good first impression. ... > full story
How progesterone increases breast cancer risk (January 18, 2011) -- Researchers have identified how the hormones progesterone and estrogen interact to increase cell growth in normal mammary cells and mammary cancers, a novel finding that may explain why postmenopausal women receiving hormone replacement therapy with estrogen plus progestin are at increased risk of breast cancer. ... > full story
Scientists bring cancer cells back under control (January 18, 2011) -- Scientists have brought cancer cells back under normal control -- by reactivating their cancer suppressor genes. The discovery could form a powerful new technology platform for the treatment of cancer of the breast and other cancers. ... > full story
Vitamin D absorption is diminished in patients with Crohn's disease, researchers find (January 18, 2011) -- Researchers have for the first time shown that reduced vitamin D absorption in patients with quiescent Crohn's disease may be the cause for their increased risk for vitamin D deficiency. The findings also showed that the only way to determine absorption efficiency is to perform a vitamin D bioavailability test. ... > full story
Young couples can't agree on whether they have agreed to be monogamous (January 18, 2011) -- While monogamy is often touted as a way to protect against disease, young couples who say they have discussed monogamy can't seem to agree on what they decided. And a significant percentage of those couples who at least agreed that they would be monogamous weren't. ... > full story
New synthetic compound created with HIV-fighting promise (January 18, 2011) -- Using chemical compounds found in a Japanese plant as a lead and the clever application of ultraviolet light, a research team has created a unique library of dozens of synthetic compounds to test for biomedical potential. Already, one of the compounds has shown great promise in inhibiting replication of HIV particles and fighting inflammation. ... > full story
Healthy gums, healthy lungs: Maintaining healthy teeth and gums may reduce risk for pneumonia, chronic obstructive pumonary disease (January 18, 2011) -- A new study suggests that periodontal disease may be related to respiratory diseases, such as pneumonia and COPD. ... > full story
Why do the Abbotts wait, while the Zimmermans rush to buy? (January 18, 2011) -- The first letter of our childhood surname determines much about our consumer behavior as grownups, according to a new study. ... > full story
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