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| Screening for ovarian cancer did not reduce early deaths Posted: 13 May 2021 02:35 PM PDT The latest analysis looked at data from more than 200,000 women aged 50-74 at recruitment who were followed up for an average of 16 years. The women were randomly allocated to one of three groups: no screening, annual screening using an ultrasound scan, and annual multimodal screening involving a blood test followed by an ultrasound scan as a second line test. |
| Politically polarized brains share an intolerance of uncertainty Posted: 13 May 2021 02:35 PM PDT A new study on political polarization showed how an aversion to uncertainty is often associated with black-and-white political views. |
| Study of 70,000 individuals links dementia to smoking and cardiovascular disease Posted: 13 May 2021 12:48 PM PDT In the largest study of the associations between smoking and cardiovascular disease on cognitive function, researchers found both impair the ability to learn and memorize; and that the effects of smoking are more pronounced among females, while males are more impaired by cardiovascular disease. |
| Jab-free dengue immunity could be just a click away Posted: 13 May 2021 11:25 AM PDT A dengue virus vaccine candidate has passed an important milestone, with promising results in animal model testing providing hope to the 390 million people infected every year. |
| A sibling-guided strategy to capture the 3D shape of the human face Posted: 13 May 2021 11:25 AM PDT A new strategy for capturing the 3D shape of the human face draws on data from sibling pairs and leads to identification of novel links between facial shape traits and specific locations within the human genome. |
| Brain mechanism of curiosity unraveled Posted: 13 May 2021 11:24 AM PDT Researchers have discovered a new brain circuit underlying curiosity and novelty seeking behavior. Using several innovative techniques, the scientists uncovered a whole path of multiple brain regions that converts curiosity into action in mice. |
| Cancer has ripple effect on distant tissues Posted: 13 May 2021 11:24 AM PDT A new study with zebrafish shows that a deadly form of skin cancer -- melanoma -- alters the metabolism of healthy tissues elsewhere in the body. The research suggests that these other tissues could potentially be targeted to help treat cancer. |
| Researchers identify a missing piece of the Lyme disease puzzle Posted: 13 May 2021 11:24 AM PDT Epidemic. Pandemic. These terms have become second nature to us, popping up in everyday conversation, and for good reason -- COVID-19 is the latest pandemic to pose a threat to humanity. But in recent months, far less attention has been paid to another widely spread problem that has been proliferating since the late 1970s: Lyme disease. |
| Posted: 13 May 2021 11:24 AM PDT Cooperation plays a crucial role in evolution. A team of scientists has now created a new model that shows how different kinds of cooperative strategies among humans develop. Using their unified framework, they show how an individual's experience and the reputation of others influence the emergence of successful cooperation. |
| Adolescents and older adults lack attention in social situations Posted: 13 May 2021 11:24 AM PDT New research has found that adolescents and older adults pay less attention to social cues in real-world interactions than young adults. |
| Songbird neurons for advanced cognition mirror the physiology of mammalian counterparts Posted: 13 May 2021 11:23 AM PDT Neuroscientists examining genetically identified neurons in a songbird's forebrain discovered a remarkable landscape of physiology, auditory coding and network roles that mirrored those in the brains of mammals. |
| Study: Drivers with shift work sleep disorder 3x more likely to be in crash Posted: 13 May 2021 11:23 AM PDT People who work nontraditional work hours, such as 11 p.m.-7 a.m., or the 'graveyard' shift, are more likely than people with traditional daytime work schedules to develop a chronic medical condition -- shift work sleep disorder -- that disrupts their sleep. According to researchers, people who develop this condition are also three times more likely to be involved in a vehicle accident. |
| Hydrogen peroxide-producing drug boosts cancer-killing effect of radiotherapy Posted: 13 May 2021 09:40 AM PDT A small drug molecule that appears to protect normal tissue from the damaging effects of radiation, may simultaneously be able to boost the cancer-killing effect of radiation therapy, according to a new study. |
| Ticking upward: Researcher studies rise of tick-borne diseases in Midwest Posted: 13 May 2021 09:39 AM PDT When a researcher heard from a former colleague at the Centers for Disease Control and Prevention that a 7-year-old girl had died from Rocky Mountain spotted fever as the result of a tick bite, he thought of his own daughter, also 7 years old at the time, and the potentially fatal danger posed to vulnerable populations by tick-borne diseases. |
| COVID-19 mRNA vaccines are immunogenic in pregnant and lactating women, study finds Posted: 13 May 2021 09:39 AM PDT In a new study, researchers evaluated the immunogenicity of COVID-19 mRNA vaccines in pregnant and lactating women who received either the Pfizer or Moderna COVID-19 vaccines, finding that both triggered immune responses. |
| New study reveals where memories of familiar places are stored in the brain Posted: 13 May 2021 07:00 AM PDT As we move through the world, what we see is seamlessly integrated with our memory of the broader spatial environment. How does the brain accomplish this feat? A new study reveals that three regions of the brain in the posterior cerebral cortex, which the researchers call 'place-memory areas,' form a link between the brain's perceptual and memory systems. |
| Obesity slows progress against cancer deaths, study suggests Posted: 13 May 2021 07:00 AM PDT A new study suggests that heart disease and obesity-associated cancer mortality rates have continued to improve, but at a slowing pace. |
| Dental procedures during pandemic are no riskier than a drink of water, study finds Posted: 13 May 2021 05:49 AM PDT A new study's findings dispel the misconception that patients and providers are at high risk of catching COVID-19 at the dentist's office. |
| Count your blessings: Short gratitude intervention can increase academic motivation Posted: 13 May 2021 05:49 AM PDT In a recent study, researchers explore how nurturing feelings of gratitude can enhance motivation among college students. Their results show that a keeping a daily gratitude journal for only two weeks has a positive impact on academic motivations that can last months. |
| Delaying second COVID vaccine dose may prevent deaths under certain conditions Posted: 12 May 2021 04:45 PM PDT Delaying the second dose of covid-19 vaccines, at least for people aged under 65, could result in up to 20 percent lower mortality, but only under certain conditions, a new study finds. |
| Academic skills least valued when assessing the 'ideal student' by academics and peers Posted: 12 May 2021 04:45 PM PDT The 'ideal student' - valued by both learners and university staff - is a punctual, organized, hard worker and enthusiastic learner - rather than someone with excellent academic results, high intelligence and good employability. |
| Measuring brain blood flow and activity with light Posted: 12 May 2021 04:45 PM PDT A new, noninvasive method for measuring brain blood flow with light has been developed by biomedical engineers and neurologists and used to detect brain activation. The new method, functional interferometric diffusing wave spectroscopy, or fiDWS, promises to be cheaper than existing technology and could be used for assessing brain injuries, or in neuroscience research. |
| Scientists decode the 'language' of immune cells Posted: 12 May 2021 01:40 PM PDT Scientists have identified 'words' immune cells use to call up immune defense genes -- an important step toward understanding their language. The scientists also discovered that in an autoimmune disease, Sjögren's syndrome, two of these words are used incorrectly, activating the wrong genes and triggering the disease. |
| A delicate balance: Learning new ways that gut microbes educate the immune system Posted: 12 May 2021 01:40 PM PDT An immune system that mistakes our good gut bacteria for an enemy can cause a dangerous type of inflammation in the intestines called colitis. An immune system that looks the other way while gut microbes spill past their assigned borders is equally dangerous. Understanding how the immune system learns to make a brokered peace with its microbial residents, called the microbiota, is therefore an important area of research. |
| How the body builds a healthy relationship with 'good' gut bacteria Posted: 12 May 2021 01:40 PM PDT Research reveals insights into how the body maintains balance with 'good' gut bacteria that allows these microbes to flourish in the intestine but keeps them out of tissues and organs where they're not supposed to be. |
| Breakthrough could lead to early detection of pregnancy complications Posted: 12 May 2021 01:40 PM PDT Researchers have found a way to study uterine fluid in the lab, thereby avoiding invasive procedures during pregnancy, while at the same time developing a potential model for using precision medicine to improve pregnancy outcomes. |
| Backyard chickens, rabbits, soybeans can meet household protein demand Posted: 12 May 2021 01:40 PM PDT In 2020, stores sold out of garden seed, coops and rabbit cages. Meat shortages led many to wonder what to eat for protein when supply chains are disrupted and some people turned to gathering eggs, raising animals and growing their own food. A team assessed backyard protein sources: They looked at how a typical household with a typical backyard can raise chickens, rabbits or soybeans to meet its protein needs. |
| Researchers identify target for senolytic drugs Posted: 12 May 2021 01:40 PM PDT Researchers found that senescent immune cells are the most dangerous type of senescent cell. |
| COVID-19 is not influenza, but it offers lessons on beating it, say researchers Posted: 12 May 2021 01:39 PM PDT A study of the 2020 influenza figures from Canada, the United States, Australia and Brazil shows that there is a clear relationship between COVID-mitigation measures such as hand-washing, masking and social distancing and the spread of the annual flu, researchers report. They write that these preventive measures all but eliminated the flu in countries where it can kill tens of thousands of people a year, even as cases of COVID-19 soared. |
| The triple threat of coronavirus Posted: 12 May 2021 11:36 AM PDT Immense research efforts are invested in figuring out how the virus manages to mount an effective invasion while throwing the immune system off course. A new study reveals a multipronged strategy that the virus employs to ensure its quick and efficient replication, while avoiding detection by the immune system. |
| Mitochondrial enzyme found to block cell death pathway points to new cancer treatment strategy Posted: 12 May 2021 11:35 AM PDT Researchers have discovered a new role for the DHODH enzyme in blocking a form of cell death called ferroptosis. Preclinical findings suggest that targeting DHODH could restore cell death and inhibit tumor growth. |
| Female lawyers more likely to report stress, risky drinking than male lawyers Posted: 12 May 2021 11:29 AM PDT Work-related factors impact the high rates of stress, risky drinking, and attrition in lawyers differently depending on gender, according to a new study. |
| Genetic risk of heart disease may be due to low Omega 3-linked biomarker Posted: 12 May 2021 11:28 AM PDT People who are genetically more likely to suffer from cardiovascular diseases may benefit from boosting a biomarker found in fish oils, a new study suggests. |
| Ancient Easter Island communities offer insights for successful life in isolation Posted: 12 May 2021 11:28 AM PDT Anthropologists explore how complex community patterns in Easter Island helped the isolated island survive from its settlement in the 12th to 13th century until European contact. |
| All gas, no brakes: Testosterone may act as 'brake pedal' on immune response Posted: 12 May 2021 11:28 AM PDT Researchers have investigated the role that hormones play in male and female inflammatory responses. In a new study, he found that testosterone may protect against stomach inflammation. |
| New approach to understanding our wellbeing Posted: 12 May 2021 10:29 AM PDT The ability to connect and feel a sense of belonging are basic human needs but new research has examined how these are determined by more than just our personal relationships. Psychologists highlight the importance of taking a wider approach to wellbeing and how it can be influenced by issues such as inequality and anthropogenic climate change. |
| Youths with diverse gender identities bullied up to three times more than peers, study finds Posted: 12 May 2021 10:29 AM PDT Transgender and other youths with diverse gender identities are victimized up to three times more than their peers, according to a new study. |
| AI helps predict treatment outcomes for patients with diseased dental implants Posted: 12 May 2021 08:56 AM PDT Peri-implantitis, a condition where tissue and bone around dental implants becomes infected, besets roughly one-quarter of dental implant patients, and currently there's no reliable way to assess how patients will respond to treatment of this condition. |
| Ancient gut microbiomes may offer clues to modern diseases Posted: 12 May 2021 08:56 AM PDT Scientists have found dramatic differences between gut microbiomes from ancient North American peoples and modern microbiomes, offering new evidence on how these microbes may evolve with different diets. |
| Parks not only safe, but essential during the pandemic, study finds Posted: 12 May 2021 08:56 AM PDT Parks played an important role for people seeking respite from the toll of social isolation during the pandemic, and according to new research, they did so without increasing the spread of COVID-19. The study looked at how people used 22 parks in Philadelphia and New York during the height of the pandemic and it found no strong correlation between park use and the number of confirmed cases in surrounding neighborhoods. |
| What does your voice say about you? Posted: 12 May 2021 08:56 AM PDT Everyone has at some point been charmed by the sound of a person's voice: but can we believe our ears? What can a voice really reveal about our character? Now an international research team has shown that people seem to express at least some aspects of their personality with their voice. |
| Rapid COVID-19 diagnostic test delivers results within 4 minutes with 90 percent accuracy Posted: 12 May 2021 08:56 AM PDT A low-cost, rapid diagnostic test provides COVID-19 results within four minutes with 90 percent accuracy, researchers report. A paper details the fast and inexpensive diagnostic test, called RAPID 1.0. Compared to existing methods for COVID-19 detection, RAPID is inexpensive and highly scalable, allowing the production of millions of units per week. |
| COVID-19: Discovery of the mechanisms of short- and long-term anosmia Posted: 12 May 2021 08:55 AM PDT Scientists have determined the mechanisms involved in the loss of smell in patients infected with SARS-CoV-2 at different stages of the disease. They discovered that SARS-CoV-2 infects sensory neurons and causes persistent epithelial and olfactory nervous system inflammation. |
| Pandemic screen time tops 6 hours a day for some kindergartners Posted: 12 May 2021 05:34 AM PDT Kindergartners from low-income families spent more than six hours a day in front of screens during two early months of the COVID-19 pandemic, a small Ohio study suggests. That is nearly double the screen time found before the pandemic in similar children, according to other research. |
| Fatigue, mood disorders associated with post-COVID-19 syndrome Posted: 12 May 2021 05:34 AM PDT Patients diagnosed with post-COVID-19 syndrome, also known as 'PCS,' 'COVID-19 long-haul syndrome' and 'Post-Acute Sequelae of SARS COV-2,' experience symptoms such as mood disorders, fatigue and perceived cognitive impairment that can negatively affect returning to work and resuming normal activities, according to a new study. |
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