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ScienceDaily: Top Health News |
| Gender bias in search algorithms has effect on users, new study finds Posted: 12 Jul 2022 04:05 PM PDT Gender-neutral internet searches yield results that nonetheless produce male-dominated output, finds a new study by psychologists. Moreover, these search results have an effect on users by promoting gender bias and potentially influencing hiring decisions. |
| Cancer cells can migrate toward certain 'sweet spot' environments Posted: 12 Jul 2022 12:50 PM PDT Engineers have discovered that cancer cells invade the body based on their environment. The discovery provides new understanding of how cancer spreads and can improve future treatments. |
| Successful heart xenotransplant experiments set protocol for pig-to-human organ transplantation Posted: 12 Jul 2022 11:13 AM PDT A team successfully transplanted two genetically engineered pig hearts into recently deceased humans in June and July, marking the latest advances toward addressing the nationwide organ shortage and developing a clinical protocol that would provide an alternative supply of organs for people with life-threatening heart disease. |
| Posted: 12 Jul 2022 11:13 AM PDT Researchers have found a new, dynamic protein structure in cells. |
| Coinfection with influenza A could suppress replication in SARS-CoV-2, study shows Posted: 12 Jul 2022 11:13 AM PDT In coinfected patients, influenza A virus interferes with SARS-CoV-2 replication in the lung and can continue to do so even more than 1 week after clearance of influenza A, according to new research. |
| Spirituality linked with better health outcomes, patient care Posted: 12 Jul 2022 11:13 AM PDT The study is the most rigorous and comprehensive analysis to date of scientific literature on health and spirituality. Overlooking spirituality in health care leaves patients feeling disconnected from the health care system and from the clinicians caring for them. Asking about a patient's spirituality should be part of patient-centered, value-sensitive care, new research suggests. |
| New human cell line developed to study blinding eye disorders Posted: 12 Jul 2022 11:12 AM PDT Scientists have developed a new, experimental human cell line from retinal pigment epithelial cells. Called ABC, these cells so closely resemble and retain the properties of native retinal pigment epithelial (RPE) cells, the research team has shown that they are a reliable cell system to study retinal degenerative diseases. |
| Shift work increases the severity of strokes later in life Posted: 12 Jul 2022 11:12 AM PDT As most Americans wind down for bed, 15 million people are just clocking into work. These hospital workers, emergency responders, factory operators and others are among the 20 percent of the world's population who do shift work. Their different sleep-wake cycle elevates their risk for numerous health disorders, including diabetes, heart attacks, cancer and strokes. |
| Posted: 12 Jul 2022 11:12 AM PDT New research reveals that two different white blood cell types influence cardiac arrhythmia, suggesting that treatments that influence these cells may help reduce patients' risk of sudden cardiac death. |
| Experience required: A role for vision in the development of inhibitory networks Posted: 12 Jul 2022 11:12 AM PDT New research demonstrates that inhibitory and excitatory neuronal circuits of the visual system develop through different processes, even if the organization of the mature circuit is similar. These findings highlight the importance of the continued study of the development of these two systems, the understanding of which is fundamental to comprehending neurodevelopmental disorders. |
| Emotional patterns a factor in children's food choices Posted: 12 Jul 2022 11:12 AM PDT The emotional context in which eating occurs has been thought to influence eating patterns and diet, with studies finding negative emotions predict excessive calorie intake and poor diet quality. A research article discusses how children's unhealthy food choices, especially over weekends, are related to emotion. |
| US hospital adverse events drop significantly Posted: 12 Jul 2022 11:12 AM PDT There is great news to share about hospital patient safety nationally over the last decade with the largest medical record-based study ever finding a significant decrease in hospital adverse events. |
| Blinding eye disease is strongly associated with heart disease and stroke Posted: 12 Jul 2022 07:27 AM PDT Patients with a specific form of age-related macular degeneration (AMD), a leading cause of blindness, are at significant risk for cardiovascular disease and stroke. |
| How do cells react to micro- and nanoplastics? Posted: 12 Jul 2022 07:27 AM PDT The smaller plastic particles are, the more easily they can be taken up by cells. In addition, the shape, surface and chemical properties play an important role in answering the question of how the particles could affect human tissue, according to new research. |
| A machine learning model to predict immunotherapy response in cancer patients Posted: 12 Jul 2022 07:27 AM PDT Development of a precision medicine technology based on artificial intelligence that predicts immunotherapy response in cancer patients. |
| New research provides insight into Long COVID and ME Posted: 12 Jul 2022 07:27 AM PDT Researchers have uncovered how post-viral fatigue syndromes, including Long COVID, become life-changing diseases and why patients suffer frequent relapses. |
| Study identifies kids with cancer at risk of lethal infections Posted: 12 Jul 2022 07:27 AM PDT Researchers have identified the child cancer patients at greatest risk of developing life-threatening infections, in a crucial step towards the development of an early diagnostic test. |
| p53 in liver cancer: The ultimate betrayal? Posted: 12 Jul 2022 07:27 AM PDT Researchers identified a novel mechanism by which expression of the tumor suppressor p53 paradoxically promotes liver cancer development in patients with chronic liver disease. By generating a mouse model with constant p53 expression in its liver cells, the team observed increased numbers of hepatic progenitor cells (HPCs) and liver cancer incidence. These HPCs could induce cancer when injected into certain mice. This did not occur with p53 deleted, demonstrating its critical significance. |
| Intensive telephone-based cessation counseling results in improved smoking quit rates Posted: 12 Jul 2022 07:27 AM PDT Offering intensive, weekly telephone-based cessation counseling along with nicotine replacement for people who smoke and who were undergoing screening for lung cancer resulted in over a two-fold greater cigarette quit rate compared to people who received minimal counseling and nicotine replacement, according to results of a national, randomized trial. |
| Investigational drug fosters nerve repair after injury Posted: 12 Jul 2022 07:26 AM PDT Scientists have shown that a brain-penetrating candidate drug currently in development as a cancer therapy can foster regeneration of damaged nerves after spinal trauma. The announcement comes weeks after the same research team showed a different investigational drug can reduce damage after spinal cord injury, by blocking the inflammatory response. |
| Cancer cells behave like Goldilocks -- Researchers have resolved the mystery of cancer cell steering Posted: 12 Jul 2022 07:26 AM PDT An international research group has investigated the mechanisms of cell migration and the impact of tissue rigidity on cell positioning and steering. The research sheds light on e.g. cancer cell migration and opens new possibilities for stopping and directing it. |
| Posted: 12 Jul 2022 07:26 AM PDT New research may provide a key to a scientific enigma: How does the awake brain transform sensory input into a conscious experience? The groundbreaking study relied on data collected from electrodes implanted, for medical purposes, deep in the human brain. The information was utilized to examine differences between the response of the cerebral cortex to sounds in sleep vs. wakefulness, at a resolution of single neurons. |
| Economic inequality and instability impact long-term decision-making around the world, study finds Posted: 12 Jul 2022 07:26 AM PDT A large study involving more than 60 countries finds that individuals across income groups and locations often prefer immediate gains at the expense of future gains, a phenomenon known as temporal discounting. However, greater individual economic resources and living in a stable and more equal economy make the behavior less likely. |
| How breastfeeding offers immune benefits Posted: 12 Jul 2022 07:26 AM PDT When infants breastfeed, they receive an immune boost that helps them fight off infectious diseases, according to recent research. |
| Researchers show effectiveness of migraine drug in weight loss Posted: 11 Jul 2022 01:32 PM PDT Triptans, a commonly prescribed class of migraine drugs, may also be useful in treating obesity, a new study suggests. In studies on obese mice, a daily dose of a triptan led animals to eat less food and lose weight over the course of a month, the team reported. |
| Could a computer diagnose Alzheimer's disease and dementia? Posted: 11 Jul 2022 01:32 PM PDT Researchers have developed a new tool that could automate the process of diagnosing Alzheimer's disease and eventually allow it to move online. |
| The four bases of anti-science beliefs -- and what to do about them Posted: 11 Jul 2022 01:31 PM PDT The same four factors that explain how people change their beliefs on a variety of issues can account for the recent rise in anti-science attitudes, a new review suggests. |
| Soft but tough: Biohybrid material performs like cartilage Posted: 11 Jul 2022 01:31 PM PDT Producing biomaterials that match the performance of cartilage and tendons has been an elusive goal for scientists, but a new material demonstrates a promising new approach to mimicking natural tissue. |
| X-rays help researchers piece together treasured cellular gateway Posted: 11 Jul 2022 01:31 PM PDT After almost two decades of synchrotron experiments, scientists have captured a clear picture of a cell's nuclear pores, which are the doors and windows through which critical material in your body flows in and out of the cell's nucleus. These findings could lead to new treatments of certain cancers, autoimmune diseases and heart conditions. |
| Posted: 11 Jul 2022 11:32 AM PDT A new study can help guide proper treatment course for patients depending on heart function and severity of heart damage. |
| Sperm are masters of DNA packing Posted: 11 Jul 2022 11:32 AM PDT During sperm production, an enormous amount of DNA has to be packed into a very small space without breaking anything. A central role is played by certain proteins around which the DNA thread is wrapped -- the protamines. A recent study provides new insights into this important mechanism. |
| Researchers capture images of antibody attacking neuron receptor Posted: 11 Jul 2022 10:53 AM PDT Researchers have captured images of an auto-antibody bound to a nerve cell surface receptor, revealing the physical mechanism behind a neurological autoimmune disease. The findings could lead to new ways to diagnose and treat autoimmune conditions, the study authors said. |
| Posted: 11 Jul 2022 10:53 AM PDT While more and more pathogens have developed biofilms that protect them from being eradicated by antibiotics, fewer classes of antibiotics are being developed. Researchers decided to go in a different direction and investigated a phytochemical derived from cruciferous vegetables such as broccoli that breaks down the biofilm. |
| Worms as model for personalized medicine Posted: 11 Jul 2022 10:53 AM PDT Using four unrelated strains of the microscopic nematode C. elegans originating from different parts of the world, a group of worm biologists have developed a model system to study individual differences in metabolism. This advancement represents a potentially important step toward 'personalized' or 'precision' medicine, a relatively new discipline that tailors dietary advice and disease treatment to an individual's own genome sequence. |
| Hidden genes may be tapped for new antibiotics Posted: 11 Jul 2022 10:53 AM PDT Bioscientists learn to trigger 'silent' gene clusters in bacteria that could be rich sources of new antibiotic candidates. |
| Abnormal heart metabolism may predict future sudden cardiac death Posted: 11 Jul 2022 10:53 AM PDT Adults with abnormal heart metabolism are up to three times more likely to experience life-threatening arrhythmias (an irregular heart rhythm), and MRI techniques could be used to detect the condition and predict future sudden cardiac death (SCD), according to a small, but rigorous study. |
| Preterm birth more likely with exposure to phthalates Posted: 11 Jul 2022 08:18 AM PDT Pregnant women who were exposed to multiple phthalates during pregnancy had an increased risk of preterm birth, according to new research. Phthalates are chemicals used in personal care products, such as cosmetics, as well as in solvents, detergents, and food packaging. |
| Prenatal exposure to certain phthalates associated with slightly earlier onset of puberty Posted: 11 Jul 2022 08:18 AM PDT A study provides new evidence on the possible effects of these endocrine-disrupting chemicals on sexual development. |
| Programmed cell death in cancer cells: Overcoming resistance through paraptosis-inducing compounds Posted: 11 Jul 2022 08:18 AM PDT Inducing programmed cell death (PCD), such as apoptosis, is a widely used therapeutic option for the treatment of cancer. Unfortunately, many cancer cells become resistant to PCDs, and continue multiplying. In a new study, researchers have synthesized new complex-hybrid compounds named triptycene-peptide hybrids (TPHs), which successfully induced a kind of PCD known as paraptosis in Jurkat cells - -a type of lymphocytes. These paraptosis-inducing compounds may revolutionize cancer therapy in the future. |
| Molecular pathway by which stress affects lupus discovered Posted: 11 Jul 2022 08:18 AM PDT A novel molecular pathway involving cell signalling proteins in the brain may explain how stress affects neuropsychiatric lupus with diffuse neuropsychological manifestations. |
| Friends enjoy being reached out to more than we think Posted: 11 Jul 2022 06:52 AM PDT People consistently underestimate how much others in their social circle might appreciate an unexpected phone call, text or email just to say hello, and the more surprising the connection, the greater the appreciation, according to new research. |
| Easy and inexpensive method for linking other molecules to DNA sequences with desired functions Posted: 11 Jul 2022 06:52 AM PDT The development of DNA-/RNA-based drugs, like COVID-19 vaccines, is exploding. Current methods are costly, but researchers are finding effective and inexpensive method for producing stable, modified DNA sequences for these modern-type drugs. |
| Fourth COVID-19 vaccine reduces the risk of death by 72 percent among the elderly, study finds Posted: 11 Jul 2022 06:52 AM PDT A new study in Israel has found that the fourth COVID-19 vaccine is effective in protecting the elderly population in long-term care facilities from the Omicron variant. |
| Heart-healthy, lower sodium version of traditional Chinese cuisine lowered blood pressure Posted: 11 Jul 2022 06:51 AM PDT Researchers have created a heart-healthy, lower sodium version of traditional Chinese cuisine that was appetizing, affordable and significantly lowered blood pressure among adults diagnosed with hypertension. The heart-healthy Chinese diet reduced sodium intake in half, from nearly 6,000 mg daily to about 3,000 mg daily, and featured reduced fat, increased protein and carbohydrates, twice as much dietary fiber and increased potassium. People with high blood pressure may benefit from adopting a similar heart-healthy, lower sodium diet. |
| Drinking alone foreshadows future alcohol problems, study finds Posted: 11 Jul 2022 06:51 AM PDT A new study has found that drinking alone during adolescence and young adulthood strongly increases risk for alcohol use disorder (AUD) later in life. This risk is especially high for women. |
| Activating STING could make brain tumors more susceptible to treatment Posted: 11 Jul 2022 06:51 AM PDT Immunotherapy has revolutionized treatment for many forms of cancer, but glioblastoma multiforme (GBM), the most common and deadly form of brain cancer, has remained untouched. GBM tumors are sometimes referred to as 'cold' -- that is, the immune system has a difficult time detecting and targeting them, allowing tumor cells to continue to grow unchecked, even with the advent of immunotherapy drugs. |
| Adding salt to your food at the table is linked to higher risk of premature death Posted: 10 Jul 2022 03:59 PM PDT People who add extra salt to their food at the table are at higher risk of dying prematurely from any cause, according to a study of more than 500,000 people. |
| Scientists analyze structure of antibodies that could be key to more effective cancer treatments Posted: 08 Jul 2022 11:15 AM PDT Researchers have gained unprecedented new insight into the key properties of an antibody needed to fight off cancer. |
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