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ScienceDaily: Top Health News |
| Anthrax arms race helped Europeans evolve against disease Posted: 07 Dec 2021 12:26 PM PST New research has revealed how humans evolved greater resistance against anthrax multiple times during history: when they developed a diet of more ruminants, and when agricultural practices took hold. |
| Changes in the blood, not the heart, may underlie cardiac thrombosis in COVID-19 patients Posted: 07 Dec 2021 12:25 PM PST Treatment targeting immune-regulating neutrophil activation may reduce pathological thrombosis in COVID-19 patients, researchers report. |
| A daily dose of yogurt could be the go-to food to manage high blood pressure Posted: 07 Dec 2021 12:25 PM PST Whether it's a dollop on your morning cereal or a simple snack on the go, a daily dose of yogurt could be the next go-to food for people with high blood pressure, according to new research. |
| Avoiding blackouts with clean, renewable energy Posted: 07 Dec 2021 12:25 PM PST Study analyzes grid stability under a scenario in which wind, water and solar energy sources plus storage power 100% of U.S. energy needs for all purposes. It finds that blackouts can be avoided with short-duration batteries while lowering energy costs, creating jobs, improving people's health, and reducing land requirements. |
| Parents can influence children's choice and success in STEM major Posted: 07 Dec 2021 06:38 AM PST If one of your parents majored in a STEM (science, technology, engineering or math) field, there's a better chance you'll also major and persist in a STEM field, according to a new study. |
| Researchers develop an antibody-drug delivery system Posted: 07 Dec 2021 06:24 AM PST Researchers have developed the first metal-organic framework (MOFs) antibody-drug delivery system that has the potential to fast-track potent new therapies for cancer, cardiovascular and autoimmune diseases. |
| Primates vs cobras: How our last common ancestor built venom resistance Posted: 07 Dec 2021 06:24 AM PST The last common ancestor of chimps, gorillas and humans developed an increased resistance toward cobra venom, according to new research. |
| Self-administered cognition test predicts early signs of dementia sooner Posted: 06 Dec 2021 07:01 PM PST Many people experience forgetfulness as they age, but it's often difficult to tell if these memory issues are a normal part of aging or a sign of something more serious. A new study finds that a simple, self-administered test can identify the early, subtle signs of dementia sooner than the most commonly used office-based standard cognitive test. |
| Posted: 06 Dec 2021 07:01 PM PST As many as a half of all drinkers underestimated how drunk they were, judging themselves still safe to drive despite having exceeded the legal driving limit. |
| Neurotoxin from a black widow spider examined Posted: 06 Dec 2021 07:00 PM PST Although many people lose their nerve and panic when they see a spider, only very few of the creatures are actually dangerous. The black widow, however, is a force to be reckoned with: it catches its prey by means of nerve poison -- to be precise, latrotoxins (LaTXs). Researchers have now investigated the substance -- also with a view to medical applications. |
| Protein variant identified that renders chemotherapy ineffective in gastric cancer Posted: 06 Dec 2021 08:30 AM PST A new protein variant underlies the ability of gastric cancers to resist an otherwise effective family of chemotherapy drugs, according to a study by a multidisciplinary team. The results suggest a treatment strategy that could improve the prognoses of many patients with cancer. |
| Researchers identify sildenafil as candidate drug for Alzheimer’s disease Posted: 06 Dec 2021 08:30 AM PST A new study has identified sildenafil -- an FDA-approved therapy for erectile dysfunction (Viagra) and pulmonary hypertension (Ravatio) -- as a promising drug candidate to help prevent and treat Alzheimer's disease. Researchers determined that sildenafil is associated with 69% reduced incidence of Alzheimer's. |
| Posted: 06 Dec 2021 08:29 AM PST Researchers compile a dataset of over 200,000 plant species worldwide to demonstrate the extent to which species extinctions and non-native invasive plants reorganize plant communities in the Anthropocene revealing biotic homogenization results from human activity whether intentional or unintentional. |
| A third of US kids lack good and consistent health insurance Posted: 06 Dec 2021 05:02 AM PST In a concerning trend for the health of U.S. children, the rate of underinsured youngsters rose from 30.6% to 34% -- an additional 2.4 million kids -- from 2016 to 2019, according to a new analysis. |
| U.S. adults' blood pressure levels increased during the COVID-19 pandemic, study finds Posted: 06 Dec 2021 05:02 AM PST Blood pressure control worsened in both men and women with the onset of the COVID-19 pandemic in the United States in 2020, a new study has found. Women and older adults had the highest blood pressure measures during the pandemic. |
| Young people recover quickly from rare myocarditis side effect of COVID-19 vaccine, study finds Posted: 06 Dec 2021 05:02 AM PST Most adolescents and young adults with suspected myocarditis following a COVID-19 vaccination experience mild symptoms and rapid clinical recovery, though many had evidence of continued heart inflammation, according to a new study. Study authors said fast ventricular rhythms and the need for medications to increase blood pressure were uncommon; no patients died or needed mechanical support for circulation as a result of the condition. |
| Rapid test identifies antibody effectiveness against COVID-19 variants Posted: 03 Dec 2021 12:14 PM PST A new test could measure patient immunity against multiple COVID-19 variants such as Omicron and Delta at once and inform which synthetic monoclonal antibody to use for treatments. |
| Researchers find surprising benefit to the immune system following infection Posted: 03 Dec 2021 12:14 PM PST The human body's immune system weakens over time, making older adults more susceptible to infections and leaving scientists with the puzzling dilemma of how to maintain health across the lifespan. A recent study into how infection affects the immune system resulted in a surprising outcome that could lead to new immunotherapies to prevent disease and novel ways to strengthen the aging immune system. |
| A chewing gum that could reduce SARS-CoV-2 transmission Posted: 03 Dec 2021 12:14 PM PST In experiments using saliva samples from COVID-19 patients, the gum, which contains the ACE2 protein, neutralized the virus, according to scientists. |
| Posted: 02 Dec 2021 04:11 PM PST A new study models future SARS-CoV-2 mutations and forecasts their ability to evade immune defenses developed by vaccines and antibody-based treatments. |
| Immune imprinting causes varied patterns of protection against COVID-19 variants, study finds Posted: 02 Dec 2021 01:21 PM PST New research shows that the first SARS-CoV-2 spike protein a person encounters, be it by vaccination or infection, shapes their subsequent immune response against current and future variants. That is, it imparts different properties that have an impact on the immune system's ability to protect against variants, and also affects the rate of decay of protection. |
| Scientists discover pathway that allows cancer to bypass oncology treatments Posted: 02 Dec 2021 01:21 PM PST Researchers have identified a pathway that explains how mutated cancer cells can continue to replicate and become resistant to oncology therapies. Using whole genome sequencing technology, the scientists discovered a new mechanism for how genetically defective cells mutate to survive stressful situations, such as drug treatment. Understanding this resistance mechanism moves researchers one step closer to developing new strategies to prevent cancer development or to delay and overcome resistance to cancer drugs. |
| Researchers link new gene variant in Amish population to lower risk of heart disease Posted: 02 Dec 2021 01:21 PM PST Researchers have discovered a new gene variant associated with lower levels of heart-damaging LDL cholesterol and a blood clotting protein called fibrinogen that appears to significantly lower a person's risk of heart disease. While the gene variant is extremely rare in the general population (less than 1 in 10,000), it is found in about 12 percent of those living in the Lancaster county, Pennsylvania Amish community, according to the study. |
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