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ScienceDaily: Top Health News |
| Genetic strategy reverses insecticide resistance Posted: 14 Jan 2022 04:26 PM PST Using CRISPR/Cas9 technology, scientists have genetically engineered a method to reverse insecticide resistance. The gene replacement method offers a new way to fight deadly malaria spread and reduce the use of pesticides that protect valuable food crops. |
| Systematically examining the way spatial structure influences the evolution of cancer Posted: 14 Jan 2022 07:30 AM PST Characterizing the way, manner or pattern of evolution in tumors may be important for clinical forecasting and optimizing cancer treatment. Researchers are systematically examining how spatial structure influences tumor evolution. To do this the group developed a computational model with the flexibility to simulate alternative spatial structures and types of cell dispersal. |
| The first AI breast cancer sleuth that shows its work Posted: 14 Jan 2022 07:30 AM PST Researchers have developed an artificial intelligence platform to analyze potentially cancerous lesions in mammography scans to determine if a patient should receive an invasive biopsy. But unlike its many predecessors, the algorithm is interpretable, meaning it shows physicians exactly how it came to its conclusions. |
| Hostile takeover in the cell: Pathogens hijack host mitochondria Posted: 14 Jan 2022 06:28 AM PST A research team reports that a parasite tricks mitochondria into shedding large structures from their 'skin', thus turning off their defenses. |
| Tuberculosis vaccine could assist future COVID-19 vaccine development Posted: 13 Jan 2022 12:13 PM PST A computational biologist is reporting that the tuberculosis vaccine, which could be associated with a reduced number and/or severity of COVID-19 cases, could assist future COVID-19 vaccine development. |
| Posted: 13 Jan 2022 12:10 PM PST Data indicate that pregnant women with COVID-19 had an increased risk for stillbirth when the Delta variant of the SARS-CoV-2 virus was the dominant strain in the United States. Researchers identified the Delta variant in the blood and placentas of several women with COVID-19 who had stillbirths and pregnancy complications. |
| Protective gene variant against COVID-19 identified Posted: 13 Jan 2022 09:07 AM PST Researchers have identified a specific gene variant that protects against severe COVID-19 infection. The researchers managed to pinpoint the variant by studying people of different ancestries, a feat they say highlights the importance of conducting clinical trials that include people of diverse descents. |
| Heart disease causes early brain dysfunction and can treble key Alzheimer’s protein Posted: 13 Jan 2022 09:07 AM PST Heart disease can directly cause brain dysfunction early on which could lead to dementia and can treble the amount of an Alzheimer's protein in the brain, say scientists. |
| Next-generation tissue expansion method improves neural imaging Posted: 13 Jan 2022 09:07 AM PST 'eMAP' enables labeling of more than a dozen more synaptic proteins than its predecessor MAP, allowing for deeper studies of circuit junctions in brain tissue. |
| AI accurately diagnoses prostate cancer, study shows Posted: 13 Jan 2022 08:15 AM PST Researchers have completed a comprehensive international validation of artificial intelligence (AI) for diagnosing and grading prostate cancer. The study shows that AI systems can identify and grade prostate cancer in tissue samples from different countries equally well as pathologists. The results suggest AI systems are ready to be responsibly introduced as a complementary tool in prostate cancer care, researchers say. |
| An ice-inspired lubricant improves osteoarthritis symptoms in rats Posted: 13 Jan 2022 08:15 AM PST With the Winter Olympics approaching, many people will soon be tuning in to watch events that take place on ice, such as figure skating, speed skating and ice hockey. An ultrathin, super-lubricating layer of water on the ice's surface is essential for skaters' graceful glides. Inspired by this surface, researchers have developed a treatment for osteoarthritis that enhances lubrication and reduces friction and inflammation in a rat model of the disease. |
| Green-med diet seems to slow age-related neurodegeneration, study finds Posted: 13 Jan 2022 08:15 AM PST A green Mediterranean diet, high in polyphenols and low in red and processed meat, seems to slow age-related brain atrophy, according to a new study. The DIRECT PLUS 18-month long randomized control trial among approximately 300 participants is one of the longest and largest brain MRI trials in the world. |
| A case of mistaken identity: Researchers unmask cellular source of Barrett’s esophagus Posted: 13 Jan 2022 08:14 AM PST Scientists correct a longstanding misconception about the origins of Barrett's esophagus, and in doing so may point to new avenues of treatment or prevention to lower the risk of esophageal cancer. |
| Researchers make important new findings about how to test cancer-fighting drugs Posted: 13 Jan 2022 08:14 AM PST Researchers are discovering new ways to find out how effective a drug might be against cancer. |
| Infants with low-risk deliveries should not need antibiotics at birth, study suggests Posted: 13 Jan 2022 06:21 AM PST Infants born via uncomplicated cesarean delivery, without labor or membrane rupture before delivery and no concern for infection, should not need antibiotics at birth, according to a new study. The findings could help clinicians tailor the use of early antibiotics in newborns. Only those deemed at risk for infection should receive antibiotics, thereby reducing unnecessary use. |
| Swapping just one food item per day can make diets substantially more planet-friendly Posted: 13 Jan 2022 06:19 AM PST If your New Year's resolution is to eat better for the planet, a new study finds it may be easier than you think. Researchers calculated how people can lower their diets' carbon impact by swapping one high-impact food item for similar, more sustainable options. |
| Get moving to put the brakes on early Parkinson’s Posted: 12 Jan 2022 03:13 PM PST A new study suggests that people with early-stage Parkinson's disease who regularly got one to two hours of moderate exercise twice a week, like walking or gardening, may have less trouble balancing, walking and doing daily activities later. |
| Removing brain cells linked to wakefulness and addiction may lessen symptoms of opioid withdrawal Posted: 12 Jan 2022 12:49 PM PST A study in mice shows that removing chemical messengers in the brain that are involved in both wakefulness and addiction may make withdrawal from opioids easier and help prevent relapse. |
| Researchers unlock immune cell contributions that could lead to new therapies for endometrial cancer Posted: 12 Jan 2022 11:50 AM PST Endometrial cancer is the most common cancer of the female reproductive system. Patients who have active immune responses against cancer cells tend to have better outcomes, but much of what is known focuses on only one type of immune cell called T cells. Researchers now provide insight on the role of B cell immunity in endometrial cancer. |
| Environment key to injury recovery Posted: 12 Jan 2022 11:50 AM PST Black men are disproportionately impacted by injuries in the United States. This disparity is glaring given that injury is one of the top ten causes of death. Data show that injured Black men from disadvantaged neighborhoods experience higher injury mortality, years of life-expectancy loss, and psychological symptoms that persist after initial wounds have been treated. |
| Mosquitoes’ mating game discovery provides new clues to combat malaria Posted: 12 Jan 2022 11:50 AM PST Male mosquitoes beat their wings faster when swarming at sunset to better detect females and increase their chance of reproducing, finds a novel study. |
| The unexpected benefits of fat in type 2 diabetes Posted: 12 Jan 2022 06:40 AM PST With nearly 10% of the world's population affected, type 2 diabetes is a major public health issue. An excessively sedentary lifestyle and a too-caloric diet encourage the development of this metabolic disease by altering the functioning of pancreatic cells and making blood sugar regulation less effective. However, fat, which is often cited as the ideal culprit, could be rehabilitated. Indeed, fat does not necessarily aggravate the disease and could even play a protective role: by studying insulin-producing pancreatic beta cells, scientists have shown that these cells suffered less from excess sugar when they had previously been exposed to fat. |
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