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ScienceDaily: Top Health News |
| Maternal diets rich in Omega-3 fatty acids may protect offspring from breast cancer, study suggests Posted: 28 Jun 2021 02:06 PM PDT Researchers noted a significant difference in mice from mothers that were fed a diet rich in canola oil, compared with mothers fed a diet rich in corn oil. A maternal Omega 3-rich diet affected genome-wide epigenetic landscape changes in offspring and potentially modulated gene expression patterns. |
| Researchers question prevailing Alzheimer's theory with new discovery Posted: 28 Jun 2021 02:06 PM PDT Experts estimate more than 6 million Americans are living with Alzheimer's dementia. But a recent study sheds new light on the disease and a highly debated new drug therapy. |
| Evidence-based patient-psychotherapist matching improves mental health care Posted: 28 Jun 2021 02:06 PM PDT Psychotherapy researchers have found that mental health care patients matched with therapists who had a strong track record of treating the patients' primary concerns had better results than patients who were not so matched. |
| COVID-19 vaccine generates immune structures critical for lasting immunity Posted: 28 Jun 2021 02:05 PM PDT The first two COVID-19 vaccines authorized for emergency use by the U.S. Food and Drug Administration (FDA) employed mRNA technology, which had never before been used in FDA-approved vaccines. A new study has found evidence that the immune response to such vaccines is both strong and potentially long-lasting. |
| Baby reef fishes swim for gold Posted: 28 Jun 2021 02:05 PM PDT Baby coral reef fishes can outpace all other baby fishes in the ocean, swimming around 15-40 body lengths per second. |
| 'Unexciting' an anxious brain: Novel drug reduces anxiety-like behavior in mice Posted: 28 Jun 2021 02:05 PM PDT Anxiety is considered a natural response to stress. However, a state of heightened anxiety, called anxiety disorder, prevents thousands of people from living their best lives. While several underlying mechanisms have been therapeutically targeted, much remains to be discovered about this disorder. In an effort to get closer to unraveling the mechanisms that govern this condition, researchers have identified a drug that reduces glutamate-induced neurotransmission, involved in anxiety-like behavior. |
| New molecule found in chestnut leaves disarms dangerous staph bacteria Posted: 28 Jun 2021 02:05 PM PDT Scientists isolated a molecule, extracted from the leaves of the European chestnut tree, with the power to neutralize dangerous, drug-resistant staph bacteria. |
| New technique to treat middle ear infections Posted: 28 Jun 2021 02:05 PM PDT In a new study, researchers have designed a miniaturized 3D-printed device to inactivate Pseudomonas aeruginosa, a common bacterium that causes the infection. |
| Hundreds of lives saved in Kansas counties that adopted mask mandates, study finds Posted: 28 Jun 2021 02:05 PM PDT New research shows that despite cultural and political pushback, the evidence remains clear: Face masks made a difference in Kansas. |
| GluN3A knockout mouse: Alternative model for Alzheimer's neurodegeneration Posted: 28 Jun 2021 02:04 PM PDT GluN3A-deficient mice display all aspects of Alzheimer's neurodegeneration. |
| RAMBO speeds searches on huge DNA databases Posted: 28 Jun 2021 12:29 PM PDT Computer scientists are sending RAMBO to rescue genomic researchers who sometimes wait days or weeks for search results from enormous DNA databases. |
| Endovascular therapy best for superior vena cava syndrome, review finds Posted: 28 Jun 2021 12:29 PM PDT In recent decades minimally invasive endovascular stenting, in which a tubular support is placed inside the collapsed or obstructed vessel, has become the preferred option of care for superior vena cava syndrome (SVCS). Whether it is the best option has been unclear, but now, a new analysis shows that endovascular therapy currently is the safest and most effective treatment for SVCS. |
| The most curious babies become the most curious toddlers Posted: 28 Jun 2021 12:29 PM PDT A longitudinal study of infant curiosity found that months-old babies most captivated by magic tricks became the most curious toddlers, suggesting a pre-verbal baby's level of interest in surprising aspects of the world remains constant over time and could predict their future cognitive ability. |
| Striking gold: Synthesizing green gold nanoparticles for cancer therapy with biomolecules Posted: 28 Jun 2021 10:21 AM PDT Scientists have designed an eco-friendly protocol for synthesizing gold nanoparticles with optimized morphology for near-infrared light absorption using a biomolecule called B3 peptide. They report the synthesis of triangular and circular gold nanoplates and their effectiveness in killing cancer cells by converting the absorbed light into heat, providing useful insights for the development of non-invasive cancer therapy. |
| Deep machine learning completes information about the bioactivity of one million molecules Posted: 28 Jun 2021 10:21 AM PDT A newly developed tool predicts the biological activity of chemical compounds, key information to evaluate their therapeutic potential. Using artificial neural networks, scientists have inferred experimental data for a million compounds and have developed a package of programs to make estimates for any type of molecule. |
| Blood stem cells make brain tumors more aggressive Posted: 28 Jun 2021 10:21 AM PDT Scientists have discovered stem cells of the hematopoietic system in glioblastomas, the most aggressive form of brain tumor. These hematopoietic stem cells promote division of the cancer cells and at the same time suppress the immune response against the tumor. This surprising discovery might open up new possibilities for developing more effective immunotherapies against these malignant brain tumors. |
| Love: How the feeling of power determines happy relationships Posted: 28 Jun 2021 10:21 AM PDT Want to have a happy relationship? Make sure both partners feel they can decide on issues that are important to them. Objective power measured by income, for example, doesn't seem to play a big role, according to a new study. Instead, how lovers perceive power dynamics in their relationship is most important for relationship satisfaction. |
| Fast IR imaging-based AI identifies tumor type in lung cancer Posted: 28 Jun 2021 10:21 AM PDT The prognosis and effective therapies differ based on the type of lung cancer. While it previously took several days to precisely determine the underlying mutation, a research team has been able to reliably perform this determination in just one step using a combination of quantum cascade laser-based infrared microscopy and artificial intelligence. |
| Honey, we shrunk the intense XUV laser Posted: 28 Jun 2021 09:49 AM PDT An international team of researchers has demonstrated a new concept for the generation of intense extreme-ultraviolet (XUV) radiation by high-harmonic generation (HHG). Its advantage lies in the fact that its footprint is much smaller than currently existing intense XUV lasers. The new scheme is straightforward and could be implemented in many laboratories worldwide, which may boost the research field of ultrafast XUV science. |
| Sunflower peptide as 'template' for potential analgesic Posted: 28 Jun 2021 09:49 AM PDT A naturally occurring peptide in sunflower seeds was synthetically optimized and has now been identified as a potential drug for treating abdominal pain or inflammation (in the gastrointestinal tract, abdominal area and/or internal organs). |
| New tools for pandemic prevention research: DNA sequencing from water and leeches Posted: 28 Jun 2021 09:49 AM PDT In new research, water from African and Mongolian waterholes as well as bloodmeals from Southeast Asian leeches were assessed for the ability to retrieve mammalian viruses without the need to find and catch the mammals. The scientists analyzed the samples using high-throughput sequencing to identify known viruses as well as viruses new to science. |
| Scientists develop simple blood test for early detection of Alzheimer's disease Posted: 28 Jun 2021 09:49 AM PDT An international research team has developed a simple but robust blood test from Chinese patient data for early detection and screening of Alzheimer's disease (AD) with an accuracy level of over 96%. |
| Saturated fatty acid levels increase when making memories Posted: 28 Jun 2021 09:30 AM PDT Saturated fatty acid levels unexpectedly rise in the brain during memory formation, according to new research. |
| Advanced care: Smart wound dressings with built-in healing sensors Posted: 28 Jun 2021 09:30 AM PDT New type of multifunctional wound dressings feature glowing nanosensors to track and monitor for infection. Harnessing the antimicrobial and anti-inflammatory power of magnesium hydroxide, the smart dressings can also fight bacteria and reduce inflammation to help promote healing. |
| Transient pacemaker harmlessly dissolves in body Posted: 28 Jun 2021 08:41 AM PDT The thin, flexible, lightweight device could be used in patients who need temporary pacing after cardiac surgery or while waiting for a permanent pacemaker. All components of the pacemaker are biocompatible and naturally absorb into the body's biofluids over the course of five to seven weeks, without needing surgical extraction. |
| New face mask prototype can detect COVID-19 infection Posted: 28 Jun 2021 08:41 AM PDT Engineers have designed a prototype face mask that can diagnose the person wearing the mask with Covid-19 within about 90 minutes. The technology can also be used to design wearable sensors for a variety of other pathogens or toxic chemicals. |
| Gene discovery may hold key to better therapies for OCD Posted: 28 Jun 2021 08:41 AM PDT New research finds that some cases of OCD are caused by damaging gene variants that, while rare, provide a needed starting point for the development of better therapeutics. |
| Newly discovered sperm movement could help diagnose, treat male infertility Posted: 28 Jun 2021 06:57 AM PDT New research finds that the atypical centriole in the sperm neck acts as a transmission system that controls twitching in the head of the sperm, mechanically synchronizing the sperm tail movement to the new head movement. |
| Edible Cholera vaccine made of powdered rice proves safe in phase 1 human trials, study suggests Posted: 25 Jun 2021 04:09 PM PDT Vaccine manufacturing made enormous strides in 2020, but the complexity of SARS-CoV-2 vaccines has highlighted the value of inoculations that can be made cheaply and transported and stored without refrigeration. A new needle-free cholera vaccine has been made by grinding up genetically modified grains of rice and can be stored long-term at room temperature. This innovation has shown no obvious side effects and a good immune response in its Phase 1 clinical trial. |
| Test distinguishes SARS-CoV-2 from other coronaviruses with 100-percent accuracy Posted: 25 Jun 2021 12:56 PM PDT Researchers have demonstrated a tablet-sized device that can reliably detect multiple COVID-19 antibodies and biomarkers simultaneously. Initial results show the test can distinguish between antibodies produced in response to SARS-CoV-2 and four other coronaviruses with 100-percent accuracy. The researchers are now working to see if the easy-to-use, energy-independent, point-of-care device can be used to predict the severity of a COVID-19 infection or a person's immunity against variants of the virus. |
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