Unlearning fear responses is a fundamental learning process in the brain. It allows us to flexibly react to formerly threatening situations once the danger is no longer present. This mechanism, known in research as "fear ...
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Over the course of their lives, up to 220,000 Norwegians will pick at their skin or pull out their hair to an extent that can be considered a mental health disorder. They pull out their hair until bald spots appear, or pick ...
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When researchers studied Norwegians who thought tick bites caused their chronic health problems, they found no objective evidence linking the symptoms to ticks. The same study finds that health problems reported by participants ...
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Adolescence is a period defined by rapid physical, emotional, and social change, and for many young people, it is also shaped by body image issues and weight stigma. Those experiences, researchers say, can drive chronic stress ...
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A large review of opioid pain relievers prescribed for acute pain has found these medicines provide only small, short-term relief for some acute conditions and are ineffective for some others. The study set out to review ...
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To be healthy, conventional wisdom tells us to exercise and limit fatty foods. Exercise helps us lose weight and build muscle. It makes our hearts stronger and boosts how we take in and use oxygen for energy—one of the ...
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Driven by rising rates in high blood pressure, nearly 6 in 10 women in the U.S. will have some type of cardiovascular disease (CVD) in the next 25 years, according to a new scientific statement published today in Circulation. ...
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Researchers at University of California San Diego School of Medicine have developed a new, easy-to-use blood test score that can help identify when fatty liver disease is being driven by excessive alcohol use, an important ...
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A study in Health Economics uncovers a major unintended consequence of abortion-related regulations: a measurable decline in the availability of obstetricians and gynecologists. Since 2010, increasing numbers of states across ...
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Prenatal magnesium sulfate and steroids can reduce the risks of cerebral palsy and respiratory complications in preterm infants. A review in the International Journal of Gynecology & Obstetrics has found that despite being ...
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Muscle loss (atrophy) due to inactivity is common after illness, injury, hospitalization or falls, and becomes increasingly frequent with aging. New research published in Advanced Science shows that skeletal muscle retains ...
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As people age, it becomes harder to know who is on track for healthy years ahead and who may be at higher risk for serious decline. A new study suggests that part of the answer may already be circulating in the bloodstream.
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Almost half of patients hospitalized for acute heart failure in Europe are readmitted within a year, according to a new study led by researchers at Karolinska Institutet and published in the European Heart Journal. The risk ...
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Even a mild case of COVID-19 or the flu can impact the body long after the fever and cough fade, according to new Tulane University research that may help explain why some people struggle to feel fully recovered weeks or ...
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People with hip and knee osteoarthritis are advised to wear "appropriate footwear" to minimize their pain. Does that mean heels are out? Does it matter if you wear runners or something a little stiffer? How about using insoles?
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Cervical cancer rates are plummeting in states with higher rates of HPV vaccination, a new study reports. Overall, cervical cancers have declined by 27% among young women in the years since the human papillomavirus (HPV) ...
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A key goal in aging research is not just to extend life, but to ensure more people live longer and healthier lives with less variation in age at death, a concept known as "squaring the survival curve." Using a recent meta-analysis, ...
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A new study published in the journal Addiction shows that cannabis use among Swedish adolescents appears to follow the same population-level pattern previously observed for alcohol. The findings suggest that changes in average ...
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Telemedicine visits are five times less costly than in-person appointments for the most common conditions able to be treated by both forms of visits, new research from the Perelman School of Medicine at the University of ...
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Pre-pregnancy parental overweight and obesity is linked to the next generation's heightened risk of developing fatty liver disease, a potential precursor to cirrhosis and liver failure, suggests research published online ...
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Untreated obstructive sleep apnea may be costing the UK and US economies billions of pounds/dollars in lost productivity every year, with a considerable proportion of working-age adults experiencing symptoms indicative of ...
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Researchers at UCLA have found a way to supercharge immune cells with a fuel source that tumors can't steal, dramatically improving their ability to survive and attack solid tumors in preclinical studies. The approach, published ...
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UT Southwestern Medical Center researchers have identified two lipids that work together with a quintessential protein known as stimulator of interferon genes (STING) to launch an immune response in the human body. Their ...
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Cervical spondylotic myelopathy (CSM) refers to spinal cord compression from arthritis in the neck and is the leading cause of spinal cord dysfunction in older adults. CSM is a chronic, progressive condition that can cause ...
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By pairing digital tools with tailored HIV services delivered by community health workers and clinicians, a study has reduced new HIV cases by 70% in rural Kenya and Uganda. This successful strategic implementation of existing ...
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A new study has overcome a long-standing challenge: how to isolate and study elusive HIV-infected cells called authentic reservoir clones (ARCs) that evade the immune system, making the disease difficult to cure. Researchers ...
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The production, distribution, and consumption of illegal opioids create problems for public health and safety in many countries. Overdose rates are particularly high in Canada and the United States, which experienced three ...
17 hours ago
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Neuroscientist Soha Farboud of the Donders Institute at Radboud University has succeeded in adjusting activity in specific brain areas using a new technique. With ultrasonic brain stimulation, she was able to influence whether ...
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Under current budget pressures in social and health care services, even small but effective improvements matter in everyday practice. A new study shows that valved holding chambers (VHCs) used to deliver inhaled medication ...
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Consuming a greater proportion of nutrients from plant sources may aid management of psoriasis symptoms, according to a study published online Feb. 19 in the European Journal of Nutrition.
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In the early phases of depression and psychosis, patients often show altered inflammatory markers in the blood and structural changes in the gray matter of the brain. This was demonstrated in the international study entitled ...
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Variants in a nicotine receptor gene are associated with a lower likelihood of heavy smoking, according to a study published in Nature Communications. The findings are based on data from populations in Mexico and validated ...
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Researchers at EPFL, Heidelberg University and Roche have built a human mini-bladder to show how urine composition weakens bladder tissue, helping infections recur even after antibiotics. The work was led by John McKinney ...
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Vaccines have traditionally worked by teaching the immune system to recognize a specific virus or bacterium—in effect, showing it a wanted poster for a single suspect. But what if one vaccine could protect against dozens ...
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Why can the human immune system often remember a vaccination for a whole lifetime? Researchers at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen have now investigated this question. ...
19 hours ago
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Declines in cervical cancer incidence among young U.S. women during the human papillomavirus (HPV) vaccination era vary by geographic region, according to a study published online Feb. 23 in the Journal of the National Cancer ...
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Never-before-seen 3D reconstructions of human liver tissue have been created at a cellular level. The details obtained by a team of UW Medicine and University of Washington engineers and physicians capture the spatial microstructure ...
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A research team at Kumamoto University has discovered that a natural compound found in pomegranate leaves and branches can directly break down harmful protein aggregates linked to transthyretin (TTR) amyloidosis, a progressive ...
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Subtle changes in how blood flows through the brain and how brain tissue uses oxygen may be closely linked to Alzheimer's disease risk, according to new research from the Mark and Mary Stevens Neuroimaging and Informatics ...
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When cancer-driving proteins resist various treatments, Northwestern University scientists have uncovered a new solution. Don't fight them—throw them in the cellular trash. In a new study published in Nature Communications, ...
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So-called "yo-yo dieting" confers long-term health benefits, according to a new study by Ben-Gurion University of the Negev researchers. "Yo-yo dieting" is a pattern in which individuals lose weight through lifestyle interventions ...
21 hours ago
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A new study led by researchers at Vanderbilt Health has identified medical conditions that often precede an Alzheimer's disease diagnosis. The findings, published in the journal Alzheimer's Research & Therapy, could open ...
21 hours ago
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Recent technological advances have opened new possibilities for the development of advanced medical devices, including tiny robots that can safely move inside the human body. Some of these systems could help to simplify complex ...
ChatGPT Health, a widely used consumer artificial intelligence (AI) tool that provides health guidance directly to the public—including advice about how urgently to seek medical care—may fail to direct users appropriately ...
21 hours ago
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Hypertension and heart failure affect millions worldwide. Yet in many patients, doctors cannot fully explain why the heart becomes stiff and struggles to relax—a condition known as diastolic dysfunction.
22 hours ago
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A Dartmouth study challenges the conventional view that the amygdala—the two-sided structure deep in the brain involved in emotion, learning, and decision making—is simply the brain's primitive "fear center," reflexively ...
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Tirzepatide is one of the drugs that has revolutionized the treatment of obesity and other conditions such as diabetes in recent years. Despite its clinical success, its precise molecular and cellular mechanisms are still ...
22 hours ago
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A gap in preventable deaths is growing between people with and without a college degree, a new study says. A steadily increasing number of people with a high school diploma or less are dying from illnesses that could have ...
23 hours ago
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Understanding the connection between behavior and brain cell activity is a major goal of neuroscience. To make progress, neuroscientists often choose simple, transparent lab animals because it's possible to see all their ...
23 hours ago
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Researchers with the Knight Initiative for Brain Resilience have modified a well-known immune protein to spark the growth of new neurons, ease brain inflammation, and improve cognition in old mice. The findings, published ...
23 hours ago
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Many women who become pregnant while taking antidepressants face a difficult decision: Should they continue their medication to protect themselves against severe depression, or stop to avoid possible risks to the baby? New ...
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An international team led by Jaime de Juan-Sanz at the Paris Brain Institute has shown that slightly increasing the metabolic capacity of neurons can enhance long-term memory in both fruit flies and mice. The study, published ...
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