Last update Neural stimulation offers treatment for 'dry eye', 5 hours ago
Scientists have developed a device that electronically stimulates tear production, which will offer hope to sufferers of dry eye syndrome, one of the most common eye diseases in the world.
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A new study, led by scientists at The Scripps Research Institute (TSRI), shows how different pharmaceutical drugs hit either the "on" or "off" switch of a signaling protein linked to asthma, obesity and type 2 diabetes.
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(HealthDay)—Scientists are testing a noninvasive alternative to lymph node biopsy for detecting early signs that melanoma skin cancer has spread.
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Why is it that some people have richly detailed recollection of past experiences (episodic memory), while others tend to remember just the facts without details (semantic memory)?
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Whitehead Institute researchers have created a map of the DNA loops that comprise the three dimensional (3D) structure of the human genome and regulate gene expression in human embryonic stem (ES) cells and adult cells. The ...
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Pretty much everything happening in the brain would fail without astrocytes. These star-shaped glial cells are known to have a critical role in synapse creation, nervous tissue repair, and the formation of the blood-brain ...
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A discovery into the mechanisms which lead to degeneration and loss of communication among neuron cells - the cells controlling function in the brain and nervous system - could potentially lead to future therapies for neurodegenerative ...
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The anti-hormone therapy tamoxifen can reduce breast cancer recurrence by about half in women with hormone-sensitive breast cancer. But it works better in some women than others. Researchers are not sure why.
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Buck Institute faculty Judith Campisi, PhD, says age researchers need to stop thinking of cellular senescence, now accepted as an important driver of aging, as a single phenotype that stems from genotoxic stress. Research ...
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Although it is known that psychiatric disorders have a strong genetic component, untangling the web of genes contributing to each disease is a daunting task. Scientists have found hundreds of genes that are mutated in patients ...
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As the drug touted as "the female Viagra" comes to market, researchers at the University of Wisconsin-Madison are learning more about how the drug, called flibanserin, affects the brain.
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(Medical Xpress)—A team of researchers with Harvard University and the Simons Foundation has found that using techniques to acutely disable brain parts of rats and zebra finches can lead to different behavioral results ...
Every Tuesday and Thursday morning for a year and a half, Russell Poldrack started off his day by climbing into an MRI machine and scanning his brain for 10 minutes. The self-experimentation has made the Stanford psychologist's ...
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Adjusting a specific deep-brain circuit's firing frequency immediately and dramatically alters rats' forebrain activity and alertness levels, Stanford University School of Medicine investigators have shown.
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A new study has questioned why poorer children are at higher risk of obesity compared to their better-off peers. The findings are published today in The European Journal of Public Health.
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(HealthDay)—How you rate your health could predict your risk of getting a cold, a new study suggests.
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Progeria is a rare genetic disease that mimics the normal aging process at an accelerated rate. Symptoms typically appear within the first year of life, and individuals with the disease develop thin, wrinkled skin, fragile ...
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(HealthDay)—Twenty-one percent of American children and teens have some form of "abnormal" blood cholesterol reading that leaves them at heightened risk for heart disease and stroke as they reach adulthood.
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Women who used contraceptive implants or injections after an initial termination were among those with an increased likelihood of a repeat abortion in the long term, finds a study published online in the Journal of Family ...
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Drinking 2 to 3 units of alcohol every day is linked to a reduced risk of death among people with early stage Alzheimer's disease, finds research published in the online journal BMJ Open.
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Smallpox virus, which killed millions of humans through the ages, ranks among the world's most feared bioterrorism agents. Human monkeypox continues to occur sporadically in remote African villages.
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A new study sheds light on the significance of a potential genetic risk factor for drug addiction and possibly other neuropsychiatric disorders. Both genetic and environmental factors are known to influence susceptibility ...
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Drug overdoses rose again last year, driven by surges in deaths from heroin and powerful prescription painkillers, according to new federal statistics.
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Too many tests at the doctor's office could cost you more than just dollars. In addition to the huge hit to your wallet, there's also the potential harm of false positives, and just because a test has traditionally been done ...
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Many early-onset neurodevelopmental disorders, including autism spectrum disorders, are more common in males than females. The origin of this gender bias is not understood, partially due to a major gap in research on sex ...
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Sensation seeking is a personality trait that describes a person's tendency to seek out novel and exciting experiences, and a high level of sensation seeking has been implicated as a risk factor for addiction. According to ...
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There's good news for grumpy women: Being happy apparently has no effect on how long you might live.
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A group of researchers has shown for the first time in cells and in a mouse model that a drug used to treat cancer can neutralize the toxic RNA that causes the prolonged muscle contractions and other symptoms of myotonic ...
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With the help of light-emitting diodes as small as neurons, University of Michigan researchers are unlocking the secrets of neural pathways in the brain.
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Ethiopia is a hotspot for tuberculosis (TB) infection, ranking third among African countries and eighth in the world for TB burden according to the World Health Organization. But, say researchers who have analyzed the genomes ...
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Scientists at Princess Margaret Cancer Centre have discovered that blocking the master regulator of bone renewal stops osteosarcoma - the most common primary bone cancer in children and teens, and the malignant disease that ...
To give good directions, it is not enough to say the right things: saying them in the right order is also important, shows a study in Frontiers in Psychology. Sentences that start with a prominent landmark and end with the ...
A research team in Korea has tested a chemical in mice genetically altered to develop features of Alzheimer's, showing it can remove a build-up of protein in the brain associated with the disease as well as rescuing memory ...
A team of neuroscientists has found new support for MIT linguist Noam Chomsky's decades-old theory that we possess an "internal grammar" that allows us to comprehend even nonsensical phrases.
Diacetyl, a flavoring chemical linked to cases of severe respiratory disease, was found in more than 75% of flavored electronic cigarettes and refill liquids tested by researchers at Harvard T.H. Chan School of Public Health. ...
When we get cold sores, the reason is likely related to stress. In particular, the neurons in which the herpes simplex virus (HSV) reside, are under stress. For the first time, researchers at the University of North Carolina ...
Our vision and hearing aren't as reliable as we might think, according to a study by life scientists at UCLA.
Microtubules—cellular "highways" that deliver cargo to the cell membrane for secretion—have a surprising role in pancreatic beta cells. Instead of facilitating glucose-stimulated insulin secretion, they limit it, a team ...
(Medical Xpress)—The US Food and Drug Administration has given the green light for XSTAT 30, a multi-sponge dressing for life-threatening bleeding from wounds in areas that a tourniquet cannot do in battlefield and civilian ...
(Medical Xpress)—Experience-dependent neuroplasticity refers to the brain's capacity to change in response to experience, repeated stimuli, environmental cues, and learning. It's a fundamental property of brain function, ...
Melbourne researchers have discovered how a common parasite hijacks host cells and stockpiles food so it can lie dormant for decades, possibly changing its host's behaviour or personality in the process.
Scientists have performed the first comprehensive genomic analysis of Ebola virus sequences from Liberia, one of three countries widely affected by the devastating outbreak that began in 2013 in Western Africa. Their work, ...
Chronic damage to the liver eventually creates a wound that never heals. This condition, called fibrosis, gradually replaces normal liver cells—which detoxify the food and liquid we consume—with more and more scar tissue ...
Concentrating attention on a visual task can render you momentarily 'deaf' to sounds at normal levels, reports a new UCL study funded by the Wellcome Trust.
A team of researchers led by faculty at the University of Georgia has identified a number of biological markers that make it possible to classify mental disorders with greater precision. Their findings, published today in ...
Don't put that controller down just yet. Playing three-dimensional video games - besides being lots of fun - can boost the formation of memories, according to University of California, Irvine neurobiologists.
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