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ScienceDaily: Top Health News |
| Predicting the next pandemic virus is harder than we think Posted: 20 Apr 2021 03:31 PM PDT The observation that most of the viruses that cause human diseases come from other animals has led some researchers to attempt 'zoonotic risk prediction' to second-guess the next virus to hit us. However, in a new essay, experts propose that these zoonotic risk predictions are of limited value and will not tell us which virus will cause the next pandemic. |
| Designing healthy diets with computer analysis Posted: 20 Apr 2021 03:31 PM PDT A new mathematical model for the interaction of bacteria in the gut could help design new probiotics and specially tailored diets to prevent diseases. |
| Drug development platform could provide flexible, rapid and targeted antimicrobials Posted: 20 Apr 2021 03:31 PM PDT Researchers have created a platform that can develop effective and highly specific peptide nucleic acid therapies for use against any bacteria within just one week. The work could change the way we respond to pandemics and how we approach increasing cases of antibiotic resistance globally. |
| The immune link between a leaky blood-brain barrier and schizophrenia Posted: 20 Apr 2021 03:31 PM PDT Research points to the involvement of the immune system the brain as a contributor to mental disorders such as schizophrenia. |
| Food allergies, changes to infant gut bacteria linked to method of childbirth, ethnicity Posted: 20 Apr 2021 03:31 PM PDT Researchers have found a causal link between caesarean section birth, low intestinal microbiota and peanut sensitivity in infants, and they report the effect is more pronounced in children of Asian descent than others, in a recently published article. |
| 'Undruggable' cancer protein becomes druggable, thanks to shrub Posted: 20 Apr 2021 01:09 PM PDT A chemist has found a way to synthesize a compound to fight a previously 'undruggable' cancer protein with benefits across a myriad of cancer types. |
| 'Information theory' recruited to help scientists find cancer genes Posted: 20 Apr 2021 10:11 AM PDT Using a widely known field of mathematics designed mainly to study how digital and other forms of information are measured, stored and shared, scientists say they have uncovered a likely key genetic culprit in the development of acute lymphoblastic leukemia (ALL). |
| Astronauts' mental health risks tested in the Antarctic Posted: 20 Apr 2021 09:15 AM PDT Astronauts who spend prolonged time alone in space face mental health stressors like loneliness, isolation and more. A psychologist developed the Mental Health Checklist, a self-reporting instrument for detecting mental health changes in isolated, confined, extreme environments. She's reporting results that show significant declines in positive emotions. |
| Reversal of blood droplet flight predicted, captured in experiments Posted: 20 Apr 2021 09:15 AM PDT To search for answers about how blood droplets from a gunshot wound can reverse direction while in flight, researchers explored the influence of propellant gases on blood backspatter. They report using numeric modeling to capture the behavior of gun muzzle gases and predict the reversal of blood droplet flight, which was captured experimentally. Their experiments also show the breakup of blood droplets, a future extension of their modeling efforts. |
| A gene finding links severe canine juvenile epilepsy to mitochondrial dysfunction Posted: 20 Apr 2021 09:15 AM PDT Researchers found a cause for severe epilepsy resulting in death in Parson Russell Terrier puppies at a few months of age. A change in the PITRM1 gene can lead to a dysfunction of mitochondria, the cellular energy pumps. Concurrently, amyloid-beta accumulation and widespread neurodegeneration associated with Alzheimer's disease were identified in the puppies' brains. Changes to the PITRM1 gene in humans also cause a severe but slowly progressing brain disease. |
| Review summarizes known links between endocrine disruptors and breast cancer risk Posted: 20 Apr 2021 09:15 AM PDT Exposure to certain endocrine-disrupting chemicals could elevate the risk of breast cancer, according to a new comprehensive systematic review of epidemiological research. However, for many chemicals, evidence is inconsistent or still limited. |
| Differing immune responses discovered in asymptomatic cases vs those with severe COVID-19 Posted: 20 Apr 2021 09:15 AM PDT Using data from the Human Cell Atlas, researchers have identified the differences in immune cells' response in those who had no symptoms compared to severe symptoms. |
| SARS-CoV-2: British variant is 45 percent more contagious than the original virus, study finds Posted: 20 Apr 2021 09:14 AM PDT Researchers compared the R (basic reproduction number) of the original SARS-CoV-2 virus with the R of the British variant, and found that the British variant is almost 1.5 times more infectious. |
| Chickens and pigs with integrated genetic scissors Posted: 20 Apr 2021 09:14 AM PDT Genetically engineered animals provide important insights into the molecular basis of health and disease. Research has focused mainly on genetically modified mice, although other species, such as pigs, are more similar to human physiology. Researchers have now generated chickens and pigs in which target genes in desired organs can be efficiently altered. |
| Is social media use a potentially addictive behavior? Maybe not Posted: 20 Apr 2021 09:14 AM PDT Frequent use of social media may not amount to the same as addiction, according to new research. |
| Organ tissues become increasingly immune throughout life Posted: 20 Apr 2021 09:14 AM PDT Researchers have offered new ways to think about the immune system. The research, which indicates organ tissues become increasingly immune throughout life, may begin to alter fundamental ideas regarding the rules of vaccination and the immune system's function within the body. |
| Role of physical, mental health in cognitive impairment Posted: 20 Apr 2021 09:14 AM PDT A recent study suggests that preserving physical and mental health helps older adults experiencing cognitive impairment stave off declines in cognitive engagement. |
| Study reveals roadmap of muscle decline with age Posted: 20 Apr 2021 09:14 AM PDT Scientists have produced a comprehensive roadmap of muscle aging in mice that could be used to find treatments that prevent decline in muscle mobility and function. |
| Overgrowth of gut yeast in newborns may increase asthma risk Posted: 20 Apr 2021 09:14 AM PDT An overgrowth of yeast in the gut within the first few months of life may cause changes to the immune system that increase the risk of asthma later on, shows a new study. |
| Our attention is captured by eye-glance Posted: 20 Apr 2021 06:29 AM PDT Researchers looked at the way we process human gaze, focusing on the estimation of the temporal duration of social interactions. They discovered that when we make eye contact with another person, our attention is solicited, causing a distortion in our temporal perception: time seems shorter than it really is. These results will make it possible to develop a diagnostic tool to evaluate the mechanisms at work in people who are sensitive to social gaze. |
| Cool and COVID-safe: How radiant cooling could keep our cities comfortable and healthy Posted: 20 Apr 2021 06:29 AM PDT A novel system of chilled panels that can replace air conditioning can also help reduce the risk of indoor disease transmission, new analysis suggests. |
| Individualized training is key for autistic adolescents learning to drive Posted: 20 Apr 2021 06:28 AM PDT A new study identified clear strengths and a series of specific challenges autistic adolescents experience while learning to drive. |
| Flushing a public toilet? Don't linger, because aerosolized droplets do Posted: 20 Apr 2021 06:28 AM PDT Because COVID-19 has been detected in urine and stool samples, public restrooms can be cause for concern. Researchers measured droplets generated from flushing a toilet and a urinal in a public restroom and found a substantial increase in the measured aerosol levels in the ambient environment with the total number of droplets generated in each flushing test ranging up to the tens of thousands. Due to their small size, these droplets can remain suspended for a long time. |
| Multivitamins, omega-3, probiotics, vitamin D may lessen risk of positive COVID-19 test Posted: 19 Apr 2021 04:53 PM PDT Taking multivitamins, omega-3, probiotics or vitamin D supplements may lessen the risk of testing positive for SARS-CoV-2, the virus responsible for COVID-19 infection -- at least among women, indicates a large population study. |
| Cellular impact of 'Heat not Burn' products may be no less harmful than cigarettes Posted: 19 Apr 2021 04:53 PM PDT The impact on lung cells of 'Heat not Burn' products -- a hybrid between traditional cigarettes and electronic vaping devices -- may be no less harmful than that of conventional cigarettes, suggest the findings of a small comparative study. |
| Disrupted sleep is linked to increased risk of early death, particularly in women Posted: 19 Apr 2021 04:52 PM PDT For the first time, a study has shown a clear link between the frequency and duration of unconscious wakefulness during night-time sleep and an increased risk of dying from diseases of the heart and blood vessels, and death from any cause, particularly in women. |
| Updated advice for safe COVID-19 vaccination in people with high-risk allergy histories Posted: 19 Apr 2021 10:57 AM PDT Experts have narrowed the group of individuals with prior allergies who should see an allergist before receiving a COVID-19 vaccine. |
| Novel drug regenerates erectile nerves damaged by prostate surgery Posted: 19 Apr 2021 10:57 AM PDT Researchers have developed a topical drug that regenerates and restores the function of erectile nerves damaged by radical prostatectomy, the most common treatment for localized prostate cancer. The drug was tested in rats. |
| Epidural use at birth not linked to autism risk, study finds Posted: 19 Apr 2021 10:57 AM PDT Refuting an earlier study, researchers found that epidural anesthesia, commonly administered for pain relief during labor, does not increase the risk for autism in children. |
| Supplement treats schizophrenia in mice, restores healthy 'dance' and structure of neurons Posted: 19 Apr 2021 08:01 AM PDT A simple dietary supplement reduces behavioral symptoms in mice with a genetic mutation that causes schizophrenia. After additional experiments, including visualizing the fluorescently stained dancing edge of immature brain cells, researchers concluded that the supplement likely protects proteins that build neurons' cellular skeletons. |
| Mirror, mirror: Viewing your own face, even subconsciously, is rewarding Posted: 19 Apr 2021 06:51 AM PDT Researchers have found that the subliminal presentation of images of one's own face activates a central component of the dopamine reward pathway, thus illuminating the mechanisms behind our powerful ability to automatically prioritize processing of our own face. These findings have important implications for understanding the neural processes involved in automatic self-advantage in face processing, as well as discriminating the processes involved in supraliminal (conscious) and subliminal (subconscious) facial perceptions. |
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