Research found that women with high job strain have a 40% increased risk of cardiovascular disease, including heart attacks and the need for procedures to open blocked arteries. Job insecurity was also associated with risk factors for cardiovascular disease such as high blood pressure, increased cholesterol, and excess body weight.
A new protocol significantly reduced radiation exposure in children undergoing electrophysiology procedures, with a 22% reduction in X-ray machine time and 52% reduction in dose entering the skin. The protocol also showed a 51% reduction in median effective dose, correlating to decreased lifetime cancer risk.
Researchers discovered that connections in the spinal cord regrew spontaneously and extensively after a mild spinal cord injury in primates, restoring 60% of original connections. This finding holds significant promise for developing new treatments for patients with spinal cord injuries.
Researchers at Georgetown University Medical Center discovered neurons in bats' brains that 'shush' irrelevant signals and amplify relevant ones, allowing bats to filter out background noise. This finding may help humans better understand how we process sound in complex environments.
Recently bereaved individuals experience elevated heart rates and potentially harmful heart rhythm changes, increasing the risk of heart attack and sudden cardiac death. These effects tend to normalize within six months.
A Mayo Clinic study found that morbidly obese heart failure patients who underwent bariatric surgery experienced significant improvements in disease symptoms and quality of life. The surgery led to better breathing during exercise and reduced swelling in the legs, even if most patients remained obese after weight loss.
The proportion of adult smokers dropped dramatically from 32.8% to 12.2% over the past three decades, with greater decreases among adults with higher income and education levels. Current smokers were smoking less, with a decrease in average daily cigarette consumption.
A new therapeutic implant has been proven to synchronize and strengthen a fading heart beat, reducing the risk of death by 24% compared to current treatment. The device therapy, called cardiac resynchronization therapy (CRT), also improves quality of life and reduces hospital admissions for worsening heart failure.
Researchers found a significant decrease in macrophage activity at spinal cord injury sites in mice without spleens, indicating the spleen's role in promoting inflammation. Understanding how these cells function and manipulating their release could improve treatment options for spinal cord injuries.
Researchers created a nanoscale light sensor that can be combined with electronic circuitry to produce hybrid optic and electronic devices. The device can detect optical properties at the nanoscale and deliver this information in electronic form.
A brain scan can predict which children with anxiety disorder will respond to talk therapy, potentially avoiding psychiatric medication. The study found that children who show fear when looking at happy faces on a screen have the least success with cognitive behavioral therapy.
Patients on dialysis face a heightened risk of sudden cardiac death from cardiovascular disease, with mortality rates as high as 43%. Research is underway to understand the connection between renal disease and cardiovascular disease, with medicinal options and dialysate prescription modification being explored as prevention methods.
A University of Pennsylvania School of Medicine study reveals that chest compression rates are lower and pauses longer during nighttime in-hospital cardiac arrests compared to daytime efforts. This disparity may be attributed to factors such as fatigue, lower staffing levels, and lack of supervision from supervising physicians.
A fully defined culture system has been developed to grow human embryonic stem cells in the lab, reducing guesswork and increasing safety. The system uses a synthetic substrate and defined growth medium, allowing for up to three months of cell culture with minimal batch-to-batch variability.
As children develop, brain regions that make up the default-mode network start functioning together, leading to increased introspection and perspective-taking. This development coincides with emerging introspective mental activity during adolescence.
Researchers found that xanthelasmata, cholesterol deposits on eyelids, are an independent marker of underlying artery disease and predict a higher risk of heart attack, ischemic heart disease, and death. Additionally, women who slept for 10 hours or more had a 63% increased risk of stroke compared to those who slept seven hours per night.
Biophysicist Stuart Lindsay's new technique uses recognition molecules to grasp each base in turn, generating a distinct electronic signal that identifies each base. This allows for the reading of individual bases without interference from neighboring bases, including recognition of epigenetic modifications.
Researchers track how brains navigate and remember settings using video game-inspired technologies. Studies show that speed of exploration alters memories, while exercise in virtual environments improves stroke patients' arm function.
Researchers found that individuals with poor sleep quality had higher levels of inflammatory markers, including C-reactive protein, even after adjusting for known risk factors. Chronic lack of sleep may contribute to cardiovascular mortality, but the exact mechanism remains uncertain.
New human research suggests oxytocin influences feelings of well-being, sensitivity to advertising, trust, empathy, and reduces anxiety in stressed animals. Oxytocin is linked to happiness, resilient individuals are less likely to be depressed.
A study presented at the American Heart Association's Scientific Sessions found that light to moderate drinking among male coronary artery bypass patients was associated with 25% fewer subsequent cardiovascular procedures and death compared to non-drinkers. However, heavy drinkers were twice as likely to have subsequent cardiovascular ...
A study of nearly 50,000 people has identified DNA sequence variations associated with cardiac electrical activity, which may lead to novel approaches to prevent or treat serious rhythm disorders. The findings provide new clues about the biologic pathways that influence cardiac conduction and identify genes and genetic pathways involve...
A new report from Johns Hopkins Medicine finds that low levels of vitamin D increase the risk of stroke in white adults, but not in black adults. Despite higher rates of vitamin D deficiency in African Americans, they have a lower likelihood of severe strokes due to other factors such as hypertension and diabetes.
Studies show that prenatal drug exposure, maternal smoking, and early-life infections can alter brain development, increasing the risk of learning disabilities, behavioral problems, and mental disorders. The research highlights the importance of educating mothers on avoiding harmful substances during pregnancy.
A pioneering lighting system has been developed to combat hospital infections by decontaminating air and surfaces with a narrow spectrum of visible-light wavelengths. Clinical trials show significantly greater reductions in bacterial pathogens compared to cleaning and disinfection alone.
A study of 7,981 black and white adults found no link between fatal strokes and vitamin D deficiency among blacks. In contrast, whites with deficient vitamin D levels had a doubled risk of dying from a stroke compared to those with higher levels.
A gene-silencing pathway in fungi protects their genomes from unwanted genetic mutations during mating, which could be used to develop new treatments for fungal infections. The discovery of this pathway may also provide insights into the mechanisms of fungal disease.
Research reveals high-fat diets cause lasting brain changes impairing healthy eating. Food and drugs of abuse engage the same brain systems, highlighting potential treatments for obesity and addiction.
Researchers project a significant reduction in high blood pressure, heart disease, and stroke among adults if teenagers consume less salt each day. A study suggests that reducing sodium intake by 3 grams per day can decrease hypertension rates by 44-63% and coronary heart disease cases by 7-12%.
Researchers at Northwestern University have produced an atomic picture showing how RNase P recognizes and cleaves transfer RNA, revealing the versatility and complexity of RNA as a catalyst. The study supports the idea that RNA played a crucial role in the emergence of life.