Over 3000 children were treated in U.S. emergency departments in 2012 for eye injuries related to paintball guns, airsoft guns, BB guns and pellet guns, which are popular non-powder guns. A new report analyzes the trends in hospital admissions associated with different types of firearms and suggests regulations that can help prevent serious injuries.
Intramuscular injection of testerosterone replacement therapy confers greater health benefits and lower cardiovascular risks than transdermal administration by skin patch or gel, a new study concludes.
By training a type of grasshopper to recognize odors, a team of biomedical engineers is learning more about the brain and how it processes information from its senses. While the results of this research focus on the sense of smell, researchers plan to use the results to determine if the brain processes signals similarly for other senses.
Is the high-dose version of the flu vaccine more effective than the standard dose for older folks? A new study says yes, but only for the 'oldest old': those 85 or older. For those between ages 65 and 84, the standard vaccine seems to work just as well, researchers report.
A model of a malaria-infected red blood cell may lead to better ways to treat malaria, according to a team of engineers and molecular biologists who investigated how this parasite infection causes the red blood cells to stiffen.
Nerve cells and blood vessels in the eye constantly 'talk' to each other to maintain healthy blood flow and prevent disease, scientists say. The study has implications for treating diseases such as diabetic retinopathy and age-related macular degeneration--the leading causes of vision loss in adults. Since the eye is often a good model for understanding the workings of the brain, the findings also provide clues to major neurological diseases such as Alzheimer's, researchers say.
Sharp high-pitched sounds have been found to cause seizures in older cats. The most commonly reported triggers were the sound of crinkling tin foil, a metal spoon clanging in a ceramic feeding bowl, chinking or tapping of glass, crinkling of paper or plastic bags, tapping on a computer keyboard or clicking of a mouse, clinking of coins or keys, hammering of a nail and even the clicking of an owner's tongue.
Investigators have settled a long-standing controversy surrounding the molecular basis of an inherited disorder that historically affected Ashkenazi Jews from Eastern Europe but now also arises in other populations of Semitic descent, particularly families from Saudi Arabia. Canavan disease is a type of leukodystrophy that is an incurable and progressively fatal neurological condition.
An international team of scientists has discovered what amounts to a molecular reset button for our internal body clock. Their findings reveal a potential target to treat a range of disorders, from sleep disturbances to other behavioral, cognitive, and metabolic abnormalities.
The monk parakeets that have invaded Europe and North America over the last 40-50 years fortifying their massive communal nests atop utility poles in many urban areas appear to have originated from the same small area in South America, according to a new study.
In a study that looked at a handful of quality measures for chronic disease care, veterans who used both Veterans Affairs care and a Medicare Advantage plan during 2008 or 2009 did no better or worse than those who relied strictly on VA.
The most widely accepted theory of the inhabitation of North America is that humans migrated from Siberia to Alaska by means of a 'land bridge' that spanned the Bering Strait. However, in the 1990s, a small group of researchers proposed that North America was first settled by people from Europe, who moved from east to west via a glacial 'ice bridge.' Now, researchers have definitively disproven the ice bridge theory.
Astronomers find that 'central engines' in supernova explosions can come in different strengths, and include those that produce powerful blasts of gamma rays, and weaker versions that produce no such bursts.
Astrophysicists have created a 3-D map of the universe that spans nearly two billion light years and is the most complete picture of our cosmic neighborhood to date.
Researchers have discovered how an abundant class of RNA genes, called lncRNAs can regulate key genes. By studying an important lncRNA, called Xist, the scientists identified how this RNA gathers a group of proteins and ultimately prevents women from having an extra functional X-chromosome -- a condition in female embryos that leads to death in early development. These findings mark the first time that researchers have uncovered the mechanism of action for lncRNA genes.
Hydrogen sulfide, a gas produced naturally within our bodies, reduces the severity of respiratory syncytial virus, or RSV, a new study shows for the first time. When someone has a RSV infection, his or her body is less able to produce the protective hydrogen sulfide. The study found that a drug that triggers a steady release of this gas decreases the virus's ability to multiply and reduces inflammation of the airways.
Two wrongs can make a right, at least in the world of visual perception and motor functioning, according to brain scientists who tracked the eyes of students during exercises in a dark laboratory.
Researchers have trained a computer to crunch big biomedical data in order to recognize how genes work together in human tissues. Combining genomic data from 38,000 experiments, this research group has generated functional genetic maps for 144 human tissues types and organs. This big step in the use of large genomic data sets enables great strides in functional human genetics, with important applications for treatment of disease. The findings shed light on genetic interactions that underlie human diseases, the investigators say.
If you're finding it difficult to stick to a weight-loss diet, scientists say you can likely blame AGRP neurons -- hunger-sensitive cells in your brain. New experiments show these neurons are responsible for the unpleasant feelings of hunger that make snacking irresistible. The negative emotions associated with hunger can make it hard to maintain a diet and lose weight, and these neurons help explain that struggle.
Although closely related to the notorious carnivore Tyrannosaurus rex, a new lineage of dinosaur discovered in Chile is proving to be an evolutionary jigsaw puzzle, as it preferred to graze upon plants. Chilesaurus boasted a proportionally small skull, hands with two fingers like Tyrannosaurus rex and feet more akin to primitive long-neck dinosaurs.
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