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ScienceDaily: Top Health News |
Smart sleepwear: Introducing 'phyjama,' a physiological-sensing pajama Posted: 12 Sep 2019 01:25 PM PDT Scientists expect that in the future, electronically active garments containing unobtrusive, portable devices for monitoring heart rate and respiratory rhythm during sleep, for example, will prove clinically useful in health care. Now researchers have developed physiological-sensing textiles that can be woven or stitched into sleep garments they have dubbed 'phyjamas.' |
How breast cancer uses exosomes to metastasize to the brain Posted: 12 Sep 2019 12:34 PM PDT In breast cancer, metastases to the brain often spell a death sentence; many women survive for less than a year after diagnosis. A new study reveals how the cancer is able to cross the blood-brain-barrier: by sending out exosomes that hijack the natural cell process of transcytosis, tricking the cells in the BBB into taking them up. The researchers now hope to identify therapeutic targets that could stop brain metastases from happening. |
Molecular biologists reveal new insights into tumor progression Posted: 12 Sep 2019 11:18 AM PDT A research team has identified a new circular RNA (ribonucleic acid) that increases tumor activity in soft tissue and connective tissue tumors. It's a discovery that may help improve how cancer is identified and treated. |
Cause of congenital nystagmus found Posted: 12 Sep 2019 11:18 AM PDT Researchers have overturned the long held view that congenital nystagmus, a condition where eyes make repetitive involuntary movements, is a brain disorder by showing that its cause is actually retinal. Deficits in just a few proteins involved in one of the retina's earliest light-signal processing steps result in the eye sending an erroneous movement signal to the brain rhythmically. |
Cells that make bone marrow also travel to the womb to help pregnancy Posted: 12 Sep 2019 11:17 AM PDT Bone marrow-derived cells play a role in changes to the mouse uterus before and during pregnancy, enabling implantation of the embryo and reducing pregnancy loss, according to new research. |
Simple model captures almost 100 years of measles dynamics in London Posted: 12 Sep 2019 11:04 AM PDT A simple epidemiological model accurately captures long-term measles transmission dynamics in London, including major perturbations triggered by historical events. |
Role of nuclear glycogen in non-small cell lung cancers Posted: 12 Sep 2019 10:43 AM PDT Researchers have made a breakthrough discovery that solves a mystery long forgotten by science and have identified a potentially novel avenue in pre-clinical models to treat non-small cell lung cancers. |
Why HIV patients are more likely to develop tuberculosis Posted: 12 Sep 2019 10:07 AM PDT Tuberculosis and HIV -- two of the world's deadliest infectious diseases -- are far worse when they occur together. Now researchers have pinpointed an important mechanism at work in this troubling health problem. And, their discovery could lead to a new mode of treatment for people at risk. |
Epilepsy surgery: The earlier the better, overview study shows Posted: 12 Sep 2019 10:07 AM PDT A person with drug resistant epilepsy who gets an early surgical intervention has a better chance of becoming seizure free. This is shown in a systematic review and meta-analysis in which researchers analyzed results from a range of previous studies. They concluded that people with drug resistant epilepsy should, as early as possible, be referred for epilepsy surgery evaluation. |
Promising treatment for an incurable, deadly kidney disease Posted: 12 Sep 2019 10:06 AM PDT A potential treatment for polycystic kidney disease -- a genetic disorder that causes the kidneys to swell with multiple cysts and can eventually lead to organ failure -- has shown promising results in animal testing. |
Stem cell researchers reactivate 'back-up genes' in the lab Posted: 12 Sep 2019 10:06 AM PDT Scientists have unraveled parts of a mechanism that may one day help to treat Rett syndrome and other genetic disorders linked to the X chromosome. |
Innovative model created for NASA to predict vitamin levels in spaceflight food Posted: 12 Sep 2019 10:06 AM PDT Food scientists have developed a groundbreaking, user-friendly mathematical model for NASA to help ensure that astronauts' food remains rich in nutrients during extended missions in space. |
'Time-outs' at home not associated with long-term negative effects in children Posted: 12 Sep 2019 09:48 AM PDT Researchers find no differences in emotional and behavioral health between kids whose parents reported using time-outs and those who didn't. |
New drug target discovered for the lung disease PAH Posted: 12 Sep 2019 09:16 AM PDT Study suggests that targeting an 'Eyes Absent' protein could lead to better medicine for treating PAH, a deadly lung disease. |
Polysubstance use in young adults -- are there predictable patterns? Posted: 12 Sep 2019 09:15 AM PDT Researchers offer their insights on the non-medical use of prescription drugs among US young adults, exploring patterns and drivers of young adults' non-medical use of prescription drugs -- including prescription sedatives, opioids, or stimulants -- and their association with substance use disorder symptoms at age 35. |
GymCam tracks exercises that wearable monitors can't Posted: 12 Sep 2019 09:05 AM PDT Wearable sensors such as smartwatches have become a popular motivational tool for fitness enthusiasts, but gadgets do not sense all exercises equally. Researchers have found that a stationary camera is a better choice for gym exercises. |
Heterogeneity in the workplace: 'Diversity is very important to us -- but not in my team' Posted: 12 Sep 2019 09:05 AM PDT Diversity in the workplace is highly sought in theory, but often still lacking in practice. A new study shows that people tend to favor diversity for others, but prefer to work with people who are as similar to themselves as possible. |
Scientists discover new breakthrough in cancer hair-loss treatment Posted: 12 Sep 2019 09:05 AM PDT Researchers have discovered a new strategy for how to protect hair follicles from chemotherapy, which could lead to new treatments that prevent chemotherapy-induced hair loss -- arguably one of the most psychologically distressing side effects of modern cancer therapy. |
The 'pathobiome' -- a new understanding of disease Posted: 12 Sep 2019 08:32 AM PDT Scientists have presented a novel concept describing the complex microbial interactions that lead to disease in plants, animals and humans. |
Diet impacts the sensitivity of gut microbiome to antibiotics, mouse study finds Posted: 12 Sep 2019 08:24 AM PDT Antibiotics change the kinds of bacteria in the mouse gut as well as the bacteria's metabolism -- but diet can exacerbate the changes, a new study showed. |
Exercising at home has a positive effect on Parkinson's patients Posted: 12 Sep 2019 08:24 AM PDT In a large double-blind study, researchers show that patients in the early stages of Parkinson's disease can exercise regularly at home for 6 months. This regular exercise has a positive effect on their motor disability comparable to the effect of conventional Parkinson's medication. |
What multilingual nuns can tell us about dementia Posted: 12 Sep 2019 08:24 AM PDT A strong ability in languages may help reduce the risk of developing dementia, says a new study. The research examined the health outcomes of 325 Roman Catholic nuns who were members of the Sisters of Notre Dame in the United States. The data was drawn from a larger, internationally recognized study examining the Sisters, known as the Nun Study. |
Shifting attention can interfere with our perceptions of reality Posted: 12 Sep 2019 08:18 AM PDT A new study suggests that distractions -- those pesky interruptions that pull us away from our goals -- might change our perception of what's real, making us believe we saw something different from what we actually saw. Even more troubling, the study suggests people might not realize their perception has changed - to the contrary, they might feel great confidence in what they think they saw. |
Repeated periods of poverty accelerate the aging process Posted: 12 Sep 2019 08:18 AM PDT People who have found themselves below the relative poverty threshold four or more times in their adult life age significantly earlier than others. |
How marketers can shape customer sentiment during events Posted: 12 Sep 2019 08:10 AM PDT Marketers' ability to influence user-generated content surrounding customers' brand or firm-related interactions, and its sentiment in particular, may be an un-tapped use of social media in marketing. |
Bone, not adrenaline, drives fight or flight response Posted: 12 Sep 2019 08:10 AM PDT Adrenaline is considered crucial in triggering a 'fight or flight' response, but new research shows the response can't get started without a hormone made in bone. |
Patients diagnosed with cancer after skipping appointment more likely to die within a year Posted: 12 Sep 2019 07:09 AM PDT Cancer patients who miss an urgent referral appointment for their symptoms are 12% more likely to die within 12 months of diagnosis, a major new study has found. The authors of the study say that more support is needed for patients at risk of non-attendance. |
Microbes are degrading infrastructure, compounding health implications Posted: 12 Sep 2019 07:09 AM PDT Microorganisms growing inside aging buildings and infrastructure are more than just a health issue, according to new research. The research examined the impact of fungal mold growth and associated microbes within structures on a university campus. The study focuses on the observed biodeteriorative capabilities of indoor fungi upon gypsum board material (drywall) and how it affects a building's age and room functionality. |
Humans more unique than expected when it comes to digesting fatty meals Posted: 12 Sep 2019 07:09 AM PDT People have very individualized inflammatory responses to eating a high-fat meal. These were the unexpected results of a study. They looked at the inflammatory reactions of volunteers at 0, three and six hours after eating a standardized meal containing 38% fat and their responses were completely unique. Like snowflakes, no two were exactly the same. |
Drinking tea improves brain health, study suggests Posted: 12 Sep 2019 07:09 AM PDT A recent study revealed that regular tea drinkers have better organized brain regions compared to non-tea drinkers. |
Routine sparring in boxing can affect brain performance Posted: 12 Sep 2019 07:09 AM PDT Routine sparring in boxing can cause short-term impairments in brain-to-muscle communication and decreased memory performance, according to new research. |
Machine learning improves the diagnosis of patients with head and neck cancers Posted: 12 Sep 2019 07:09 AM PDT Researchers have successfully solved a longstanding problem in the diagnosis of head and neck cancers. The researchers used artificial intelligence to develop a new classification method which identifies the primary origins of cancerous tissue based on chemical DNA changes. The potential for introduction into routine medical practice is currently being tested. |
How astrocytes help the brain process information Posted: 12 Sep 2019 07:09 AM PDT New research reveals that noradrenaline plays a key role in how astrocytes -- star-shaped cells in the brain closely associated with neurons -- track distinct information during behavior. The researchers found that astrocytes can integrate information on arousal state and sensory experience. |
Chemical reaction method for more efficient drug production Posted: 12 Sep 2019 06:47 AM PDT Researchers have developed a more efficient method to produce the building blocks needed for antibiotics and cancer treatment drugs. |
Popular mobile games can be used to detect signs of cognitive decline Posted: 12 Sep 2019 06:47 AM PDT New research shows that popular mobile phone games such as Tetris, Candy Crush Saga and Fruit Ninja could provide a new tool to help doctors spot early signs of cognitive decline, some of which may indicate the onset of serious conditions like dementia. |
New cardiac fibrosis study identifies key proteins that translate into heart disease Posted: 12 Sep 2019 06:47 AM PDT The formation of excess fibrous tissue in the heart, which underlies several heart diseases, could be prevented by inhibiting specific proteins that bind to RNA while its code is being translated. |
How relapse happens: Opiates reduce the brain's ability to form, maintain synapses Posted: 12 Sep 2019 05:47 AM PDT Exposure to heroin sharply reduces levels of the protein necessary for developing and maintaining the brain's synapses, a preclinical study has found. |
Discovery concerning the nervous system overturns a previous theory Posted: 12 Sep 2019 05:00 AM PDT It appears that when our nervous system is developing, only the most viable neurons survive, while immature neurons are weeded out and die. The results indicate that the long-standing neurotrophic theory, which states that chance determines which cells will form the nervous system, needs to be revised. |
Advanced MRI brain scan may help predict stroke-related dementia Posted: 12 Sep 2019 05:00 AM PDT An advanced MRI brain scan analysis in patients with stroke-damaged blood vessels helped predict problems with thinking (planning, organizing information and processing speed) and dementia. |
Genetic discovery linked to rare eye disease Posted: 11 Sep 2019 02:46 PM PDT Paul S. Bernstein, M.D., Ph.D., spent more than a decade working with families at the John A. Moran Eye Center at the University of Utah on the hunt for the first gene known to cause a rare retinal disease known as MacTel. |
Talking receptors may affect relaxin at work Posted: 11 Sep 2019 02:46 PM PDT A research team investigating the promising anti-fibrotic effects of a drug version of the hormone, relaxin, has discovered that the receptor through which it mediates its therapeutic actions can communicate and/or interact with other receptors in cells that contribute to fibrosis progression. This research may have implications for the design of clinical trials involving relaxin and its concomitant use with other drugs that act on these receptors. |
A diabetes drug promotes brain repair -- but it only works in females Posted: 11 Sep 2019 11:28 AM PDT Study finds that the diabetes drug metformin, known to promote brain repair, can also help restore cognitive function in adult mice but only in females and in a way that is dependent on the sex hormone estradiol. |
Bioengineers explore cardiac tissue remodeling after aortic valve replacement procedures Posted: 11 Sep 2019 11:27 AM PDT Researchers have developed biomaterial-based 'mimics' of heart tissues to measure patients' responses to an aortic valve replacement procedure, offering new insight into the ways that cardiac tissue re-shapes itself post-surgery. |
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