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ScienceDaily: Top Health News |
| Keep your friends close, cortisol levels low for life Posted: 30 Jun 2021 02:36 PM PDT An interdisciplinary team has determined that older adult women converse more effectively with strangers than their younger counterparts; additionally, communicating with female friends decreases stress hormone levels for women across the lifespan. |
| Research lays groundwork for restoring lost oral functions with pacemaker-like devices Posted: 30 Jun 2021 01:37 PM PDT Even the mundane act of swallowing requires a well-coordinated dance of more than 30 muscles of the mouth. The loss of function of even one of these, due to disease or injury, can be extremely debilitating. For these people, nerve stimulation offers a ray of hope to regain some of their lost oral function. |
| Variations in quantitative MRI scanners' measurements Posted: 30 Jun 2021 11:16 AM PDT Magnetic resonance imaging (MRI) is widely used in medicine to detect, diagnose and treat diseases such as cancer, while relying on experts' interpretation of images. Quantitative MRI, which obtains numerical measurements during the scans, can now potentially offer greater accuracy, repeatability and speed -- but rigorous quality control is needed for it to reach its full potential, according to a new study. |
| 5-minute breathing workout lowers blood pressure as much as exercise, drugs Posted: 30 Jun 2021 10:50 AM PDT A new study shows that a breathing exercise known as Inspiratory Muscle Strength Training can reduce blood pressure in weeks, with benefits on par with daily exercise or medication. |
| Machine learning helps in predicting when immunotherapy will be effective Posted: 30 Jun 2021 10:50 AM PDT Cancer cells can put the body's immune cells into sleep mode. Immunotherapy can reverse this, but it doesn't work for all patients and all cancer types. Researchers have now developed machine learning models that can predict if someone is likely to respond positively to immunotherapy. In clinical settings, this could pave the way for personalized immunotherapy approaches for patients, as well as guidance on how to best combine immunotherapy with other treatments. |
| Frequent COVID-19 testing key to efficient, early detection, study finds Posted: 30 Jun 2021 09:54 AM PDT The chance of detecting the virus that causes COVID-19 increases with more frequent testing, no matter the type of test, a new study found. Both polymerase chain reaction and antigen tests, paired with rapid results reporting, can achieve 98 percent sensitivity if deployed at least every three days. |
| Human stem cells enable model to test drug impact on brain's blood barrier Posted: 30 Jun 2021 09:54 AM PDT Using an experimental model to simulate the blood-brain barrier, scientists reported in unprecedented detail how antioxidants protect the brain from inflammation caused by such neurodegenerative diseases as Alzheimer's and Parkinson's. |
| Researchers look to human 'social sensors' to better predict elections and other trends Posted: 30 Jun 2021 08:54 AM PDT Researchers can gather highly accurate information about social trends and groups by asking about a person's social circle rather than interrogating their own individual beliefs. |
| Employed individuals more likely to contract the flu, study shows Posted: 30 Jun 2021 08:54 AM PDT Researchers found that employed individuals, on average, are 35.3% more likely to be infected with the flu virus. |
| Embryo freezing for IVF appears linked to blood pressure problems in pregnancy Posted: 30 Jun 2021 08:53 AM PDT A large cohort study drawn from the national IVF registry of France, which included almost 70,000 pregnancies delivered after 22 weeks gestation between 2013 and 2018, has found a higher risk of pre-eclampsia and hypertension in pregnancies derived from frozen-thawed embryos. This risk was found significantly greater in those treatments in which the uterus was prepared for implantation with hormone replacement therapies. The results confirm with real-life data what has been observed in sub-groups of patients in other studies. |
| Eating disorder behaviors alter reward response in brain Posted: 30 Jun 2021 08:53 AM PDT A new study found that eating disorder behaviors alter the brain's reward response process and food intake control circuitry, which can reinforce the behaviors. |
| Investigational malaria vaccine gives strong, lasting protection Posted: 30 Jun 2021 08:53 AM PDT Two U.S. Phase 1 clinical trials of a novel candidate malaria vaccine have found that the regimen conferred unprecedentedly high levels of durable protection when volunteers were later exposed to disease-causing malaria parasites. The vaccine combines live parasites with either of two widely used antimalarial drugs -- an approach termed chemoprophylaxis vaccination. A Phase 2 clinical trial of the vaccine is now underway in Mali, a malaria-endemic country. |
| Cross-generational consequences of lead poisoning Posted: 30 Jun 2021 08:53 AM PDT Scientists have shown that environmental lead poisoning in children affects not only their own health and wellbeing, but the vitality and mental health of their mothers, as well. |
| Thinking in 3D improves mathematical skills Posted: 30 Jun 2021 08:53 AM PDT Spatial reasoning ability in small children reflects how well they will perform in mathematics later. Researchers recently came to this conclusion, making the case for better cultivation of spatial reasoning. |
| The Southern diet - fried foods and sugary drinks - may raise risk of sudden cardiac death Posted: 30 Jun 2021 06:14 AM PDT Participants in a large-scale study who more commonly consumed a Southern-style diet - high in added fats, fried foods, processed meats and sugary drinks - had a higher risk of sudden cardiac death than people who had lower adherence to a Southern-style diet. |
| Prevalence of COVID-19 among hospitalized infants varies with levels of community transmission Posted: 30 Jun 2021 06:14 AM PDT How common COVID-19 is among infants may depend on the degree of the pandemic virus circulating in a community. |
| Discovery of the role of a key gene in the development of ALS Posted: 30 Jun 2021 06:13 AM PDT Amyotrophic lateral sclerosis, or ALS, attacks nerve cells known as motor neurons in the brain and spinal cord, gradually leading to paralysis. The loss of function of an important gene, C9orf72, may affect communication between motor neurons and muscles in people with this disease. |
| Looking at tumors through a new lens Posted: 29 Jun 2021 09:08 AM PDT A new study reveals vulnerabilities in recurrent glioblastoma, providing potential co-targets for enhancing neoadjuvant immune checkpoint blockade. |
| Mouse brain imaged from the microscopic to the macroscopic level Posted: 28 Jun 2021 02:05 PM PDT Researchers have leveraged existing advanced X-ray microscopy techniques to bridge the gap between MRI (magnetic resonance imaging) and electron microscopy imaging, providing a viable pipeline for multiscale whole brain imaging within the same brain. |
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