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ScienceDaily: Top Health News |
| How fasting diets could harm future generations Posted: 11 May 2021 05:11 PM PDT New research which shows that fasting diets could harm the health of future generations. Fasting diets have risen in popularity in recent years, however little is known about the long-term impact of these diets, particularly for future generations. The new study reveals that reduced food intake in roundworms has a detrimental effect on three generations of offspring - particularly when those descendants have access to unlimited food. |
| How one of the oldest natural insecticides keeps mosquitoes away Posted: 11 May 2021 01:07 PM PDT A new study has identified a scent receptor in mosquitoes that helps them sniff out and avoid trace amounts of pyrethrum, a plant extract used for centuries to repel biting insects. These findings could help researchers develop new broad spectrum repellents to keep a variety of mosquito species at bay, and by extension stop them from biting people and spreading disease. |
| Engineering study shows renewable energy will enhance power grid's resilience Posted: 11 May 2021 09:36 AM PDT A new study shows that integrating renewable energy into the American Electric Power System (AEPS) would enhance the grid's resilience, meaning a highly resilient and decarbonized energy system is possible. The researchers' analysis is based upon the incremental incorporation of architectural changes that would be required to integrate renewable energy into AEPS. |
| Lighting up biology from within Posted: 11 May 2021 09:36 AM PDT A biochemical reaction between an enzyme called luciferase and oxygen causes fireflies to glow and is considered one of the most well-known examples of bioluminescence in nature. Now, an international team of researchers are working to harness the power of bioluminescence in a low-cost, noninvasive portable medical imaging device that could one day be applied to many uses in biomedical research, translational medicine and clinical diagnoses. |
| How to predict severe influenza in hospitalized patients Posted: 11 May 2021 09:35 AM PDT Researchers have identified predictors of both severe disease and recovery in hospitalized influenza patients, finding that the immune system works in concert to fight influenza. |
| Patients may not take advice from AI doctors who know their names Posted: 11 May 2021 06:20 AM PDT Researchers found that people may be less likely to take health advice from an AI doctor when the robot knows their name and medical history. On the other hand, patients want to be on a first-name basis with their human doctors. |
| People are persuaded by social media messages, not view numbers Posted: 11 May 2021 05:12 AM PDT People are more persuaded by the actual messages contained in social media posts than they are by how many others viewed the posts, a new study suggests. Researchers found that when people watched YouTube videos either for or against e-cigarette use, their level of persuasion wasn't directly affected by whether the video said it was viewed by more than a million people versus by fewer than 20. |
| New material to treat wounds can protect against resistant bacteria Posted: 11 May 2021 05:12 AM PDT Researchers have developed a new material that prevents infections in wounds - a specially designed hydrogel, that works against all types of bacteria, including antibiotic-resistant ones. The new material offers great hope for combating a growing global problem. |
| In 'minibrains,' hindering key enzyme by different amounts has opposite growth effects Posted: 11 May 2021 05:12 AM PDT Surprising findings can help improve organoid cultures, explain role of GSK3-beta in brain development. |
| Horseradish flea beetle: Protected with the weapons of its food plant Posted: 11 May 2021 05:12 AM PDT Researchers demonstrate how the horseradish flea beetle regulates the accumulation of mustard oil glucosides in its body. The beetles have special transporters in the excretory system that prevent the excretion of mustard oil glucosides. This mechanism enables the insect to accumulate high amounts of the plant toxins in its body, which it uses for its own defense. |
| A comprehensive map of the SARS-CoV-2 genome Posted: 11 May 2021 05:12 AM PDT Researchers have generated what they describe as the most complete gene annotation of the SARS-CoV-2 genome. In their study, they confirmed several protein-coding genes and found that a few others that had been suggested as genes do not code for any proteins. |
| Boosting body heat production: A new approach for treating obesity Posted: 11 May 2021 05:12 AM PDT Targeting a heat production 'brake' on fat tissues may be a safer way to treat obesity than current medication. |
| New genetic copycatchers detect efficient and precise CRISPR editing in a living organism Posted: 11 May 2021 05:11 AM PDT Scientists have developed a novel genetic sensor called a 'CopyCatcher,' which capitalizes on CRISPR-based gene drive technology, to detect instances in which a genetic element is copied precisely from one chromosome to another throughout cells in the body of a fruit fly. Next-generation CopyCatcher systems have the potential to measure how often such perfect copying might take place in different cells of the human body. |
| Sex cells in parasites are doing their own thing Posted: 11 May 2021 05:11 AM PDT Researchers have discovered how microbes responsible for human African sleeping sickness produce sex cells. |
| Controlling cholesterol in microglia alleviates chronic pain, opioid-free Posted: 10 May 2021 04:25 PM PDT Chemotherapy can induce a painful peripheral neuropathy (CIPN), a chronic condition and common adverse effect for cancer patients undergoing treatment. Researchers have used a mouse model to demonstrate the pivotal role of cholesterol in CIPN, and proposed a novel therapeutic approach to reverse it. |
| Team 'reads minds' to understand human tool use Posted: 10 May 2021 10:32 AM PDT Researchers have made an astonishing new discovery about how our brains control our hands. The team used MRI data to study which parts of the brain are used when we handle tools. The findings could help shed light on the regions of the brain that evolved in humans and set us apart from primates, and could pave the way for the development of next-generation prosthetic limbs that tap into the brain's control center. |
| Bacteria do not colonize the gut before birth Posted: 10 May 2021 10:31 AM PDT Researchers examined prenatal stool (meconium) samples collected from 20 babies during breech Cesarean delivery. By including only breech caesarean deliveries in healthy pregnant women they were able to avoid the transmission of bacteria that occurs naturally during a vaginal birth. |
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