Researchers have discovered that Streptococcus gordonii can mimic human proteins to activate platelets and form unwanted blood clots. This triggers endocarditis, which can lead to growths on heart valves or inflammation of blood vessels.
A new study from Brigham and Women's Hospital suggests a strong link between telomere shortening and poor cardiovascular outcomes in patients with acute coronary syndrome. Telomeres are DNA-protein complexes that protect chromosomes from deteriorating, and their length is associated with increased risk of heart attack and death.
A study by Joe Vinson found that popcorn has higher antioxidant levels than fruits and vegetables due to its high concentration of polyphenols. The hulls of the popcorn kernel have the highest concentration of these antioxidants, making them a nutritional gold nugget.
Researchers found low LDL cholesterol in patients with no history of cholesterol-lowering drugs existed before cancer diagnosis, suggesting an underlying mechanism. The study's lead investigator noted that the relationship between low LDL-C and cancer exists for many years prior to diagnosis, highlighting the need for further examination.
The ACS president will focus on climate science, graduate education, and commemorating the Morrill Land Grant Act. The initiative aims to advance chemistry through research, education, and innovation, while communicating its value to society.
Researchers identified a protein called NOD2 that triggers the activation of dendritic cells, which deliver critical information about the pathogen to T-cells. The study found this pathway to be potent in fighting leprosy, but inhibited in more serious forms of the disease.
A recent study found that community hospitals can safely and effectively perform elective angioplasty without on-site cardiac surgery units. The study showed no significant differences in death rates or complications between patients undergoing elective angioplasty at facilities with and without on-site cardiac surgery units.
Researchers found that intensive community-based lifestyle interventions tailored to individual needs can significantly reduce multiple risk factors for heart disease. The study highlights the importance of addressing psychological factors alongside traditional cardiovascular risk factors to achieve synergistic effects.
A nationwide CPR training effort in Denmark led to a significant increase in bystander CPR, from 20% in 2001 to 44% in 2010, resulting in improved cardiac arrest survival rates. The study found patients treated with CPR or AEDs by bystanders were about four times more likely to survive 30 days after the cardiac event.
Prostatic artery embolization shows promise in treating lower urinary tract symptoms and improving quality of life for men with benign prostatic hyperplasia. Clinical success was seen in 91% of treated individuals, with significant volume reduction in prostate size.
Researchers have successfully captured a quantum interference pattern from single dye molecules using live imaging. The experiment visualizes the dualities of particle and wave, randomness and determinism, locality and delocalization in a tangible way. This study has significant implications for understanding quantum physics and develo...
Researchers recommend including race-specific criteria to reduce false positives and anxiety among healthy black athletes. A study found 43% of black athletes would be identified for further investigation under current guidelines.
A study found a significant mismatch between the growth of cardiac catheterization laboratories and the need for percutaneous coronary intervention (PCI) procedures. PCI centers have grown 12.9% over eight years, but STEMI rates have declined, leaving many patients without access to care.
Researchers are using pond scum microbes called Euglena to develop a new test for detecting cancer cells in the bloodstream. The test uses the microbe as a natural cargo carrier to identify and analyze circulating tumor cells, which enable cancer to spread.
A multifaceted intervention improved the use of evidence-based therapies among patients with acute coronary syndromes in public hospitals in Brazil. The study found significant improvements in medication usage and overall quality of care, particularly in low- and middle-income countries.
Researchers found metformin increases heart-pumping capacity, reduces fat accumulation, and limits cell death in rats. Long-term effects suggest the medicine's benefits persist for a year or more.
Researchers are revisiting bacteriophages as antibacterial agents to combat growing antibiotic resistance. Effective against high bacterial loads, these viruses can target specific bacterial strains without infecting human cells.
A new study by Brigham and Women's Hospital researchers has developed a statistical method to estimate the heritable component of four common diseases. The study found that hundreds of loci with common causal variants explain most of the risk for these diseases, not rare mutations.
A randomized controlled trial found that consuming three servings of raisins per day can significantly reduce systolic and diastolic blood pressure in people with mild hypertension. Raisins' high potassium content is believed to be the key factor behind this effect.
Scientists have developed a technology to produce hydrogen from heat in nuclear power plants, which could reduce global warming by burning only water vapor. This process is more efficient than current methods using natural gas or coal, and experts envision widespread adoption of nuclear-powered hydrogen production.
A large population survey found that adults getting less than six hours of sleep a night are at significantly greater risk of stroke, heart attack, and congestive heart failure. Those sleeping more than eight hours also have a higher prevalence of heart problems, including chest pain and coronary artery disease.
A team of researchers tracked mouse lemur lice to understand their social interactions, finding that lice transfer occurred between 43% of males, with peak transfers during breeding season. Louse transfer showed greater distances and geographic areas than previously thought.
A 10-week program combining interactive lessons and healthier food options significantly reduced cardiovascular risk factors in sixth-graders. Students showed improvements in dietary habits, physical activity levels, and physiological markers such as blood pressure and cholesterol.
J. Craig Venter discussed his team's progress on major projects, including developing new synthetic cells and engineering genomes to produce biofuels, vaccines, clean water, food and other products. He also described his work in sequencing the human genome and studying the human microbiome.
A large-scale study found that underweight patients are twice as likely to experience complications or die during ICD insertion compared to obese and normal-weight patients. Smaller body size is associated with longer hospital stays, more complications, and increased risk of dying from the procedure.
A genetic finding has identified a human gene that influences how we respond to influenza infection. People carrying a particular variant of the IFITM3 gene are more likely to be hospitalized with severe flu symptoms than those with other variants.
A recent study found that selected 90-year-old patients who experience acute heart attacks can benefit from coronary stenting, leading to reasonable outcomes and low cardiovascular readmissions. The study suggests that reperfusion therapy should be considered for this age group, which is expected to quadruple by 2050.
A new study found that pregnancy increases the risk of heart attack, with more severe attacks and different causes than in non-pregnant women. The standard approach to managing heart attacks during pregnancy may not always be best, and alternative treatments may be needed to prevent complications.
A new study by Brigham and Women's Hospital found that men with type 2 diabetes treated with insulin without a history of cardiovascular disease are at higher risk for major cardiovascular events. The study showed an accelerated rate of new cardiovascular events in these patients, with a 16% rate over four years.
Researchers tracked the transfer of parasitic lice on brown mouse lemurs to infer their social contacts and habits. The study found that lice were transferred between 43% of males during the breeding season, indicating conflicts over females.
A three-pronged intervention improved physician adherence to evidence-based protocols for treating acute coronary syndrome, raising the rate of total adherence by 18 percent. The study's strategies, including nurse case management and educational materials, were adaptable to other countries.
Scientists have measured the carbon content of Sri Lanka's natural forests, finding that nearly half of greenhouse gas emissions originate from deforestation. The study suggests alternative ecosystems can bind carbon while providing food and protection for local populations.
Scientists have created a new buoyant material inspired by the water strider's ability to walk on water. The material, made from nanocellulose aerogel, can absorb huge amounts of oil and float on its surface, making it potentially useful for cleaning up oil spills.
A minimally invasive endovascular treatment for CCSVI shows promise in improving physical- and mental health-related quality of life in individuals with multiple sclerosis. The study found significant short-term improvements in over 75% of those with relapsing remitting and primary progressive forms of MS.
Scientists found that Salmonella bacteria attach differently to ripe and unripe tomatoes, with filaments forming on ripe ones. This could affect how pathogens are maintained on surfaces, according to researchers at Imperial College London.
A new study has shown that delivering abciximab directly to the site of a heart attack can significantly reduce damage to the heart muscle. The treatment was found to be effective in reducing infarct size by up to 15% compared to no treatment or aspiration thrombectomy.
Researchers discovered that abciximab significantly decreased heart muscle damage in ST-segment-elevation myocardial infarction patients. Clot aspiration did not show similar benefits.
Triclosan effectively preserves gasoline and fire starters in charred remains, enabling crime scene investigators to determine arson intent. This preservation method could help law enforcement officials catch criminals and reveal the true extent of arson problems.
A study presented at the Society of Interventional Radiology's annual meeting found that angioplasty can provide symptom relief for MS patients with venous obstructions. The procedure showed significant safety findings and provided symptomatic benefit in 55% of individuals treated.
A study by Intermountain Medical Center Heart Institute has established a connection between microRNAs and impending heart attacks. Researchers identified six microRNA molecules linked to gene regulation, revealing lower levels in patients who experienced a heart attack within seven days.
A pilot program at OB/GYN clinics screened 2,234 women for cardiovascular risk factors or disease. Cardiovascular assessment in these settings may enhance primary prevention and education to female patients. Many women are unaware of their heart disease risk factors, including diabetes, high blood pressure, and high cholesterol.
A community-wide preventive initiative involving 10,000 adults significantly reduced cardiovascular risk factors, including smoking, stress levels, and hypertension. The program's success was attributed to its comprehensive approach, which included healthcare initiatives, worksite programs, and broad community engagement.
Paul Raeburn, a nationally recognized science journalist and author, has received the James T. Grady-James H. Stack Award for his work in interpreting chemistry for the public. The award is presented annually by the American Chemical Society to recognize outstanding achievements in communicating chemistry to the general public.
Research suggests that interventions targeting obesity in adolescents should be tailored to gender differences, with exercise and sports benefiting boys and drinking milk predicting healthier weight in girls. Regular physical activity and improved school lunches are also key predictors of obesity.
A new study has found that a three-drug regimen is as safe and effective as a double-dose two-drug treatment in preventing blood clots after angioplasty. The study compared the effectiveness of adding cilostazol to conventional dual anti-platelet therapy versus doubling the dose of clopidogrel.
A minimally invasive interventional radiology treatment called endovascular aortic repair is associated with lower mortality rates and shorter hospital stays compared to open surgical repair for ruptured aneurysms. The study found that women had worse outcomes after the procedure, highlighting the need for further research in this area.
Researchers implemented a new CT imaging protocol for lung-nodule biopsies, reducing the radiation dose by 66% while maintaining image quality. The study focused on minimizing patient exposure and promoting safer procedures.
A vaccine targeting Campylobacter in chickens could drastically reduce food-borne illness cases, saving the UK economy millions annually. The leading cause of food-borne illness, responsible for 30% of cases in the UK, is found in the gut of many animals, including chickens.
A study found that moderate isoflavone intake can lower systolic blood pressure in young adults, with a notable benefit for African Americans. Isoflavones may help compensate for endothelial dysfunction, a condition that plays a bigger role in hypertension in African Americans.
A new CMS requirement mandates deeper sedation, adding $844 to ICD implant costs; Researchers recommend revising guidelines to minimize unnecessary expenses while preserving patient safety
Scientists have developed lab-made, invisible filaments that resemble uncooked spaghetti with nanoscale dimensions, which can serve as scaffolds for tissue repair. These 'noodle gels' and 'spaghetti highways' could guide cells to specific locations for repair and deliver beneficial substances to diseased areas.
Researchers discovered a two-step ritual in which RNA telomerase partners are prepared for interaction, revealing novel pharmaceutical approaches to cancer and diseases of aging. The study sheds light on the complex process of telomerase biogenesis and its connection to seemingly unrelated diseases.
Researchers discovered that gut bacteria play a crucial role in controlling allergic inflammation by regulating basophil responses and limiting IgE production. The study's findings suggest that targeting the commensal bacterial population may be beneficial in treating allergic diseases, offering new therapeutic options for asthma and o...
Gut bacteria influence intestinal blood vessel formation through a previously unknown mechanism, according to researchers at the University of Gothenburg. The study found that intestinal bacteria promote mucosal cells to attach sugar molecules to specific proteins, inducing signaling for new blood vessel formation.
A study found that administering a bolus dose of the anticoagulant drug abciximab directly into the coronary artery involved in causing a heart attack resulted in a significant reduction in heart muscle damage at 30 days. However, manual thrombus aspiration did not produce similar results.
Recent extreme weather events show a clear link to global warming, according to a new analysis of scientific evidence. The study found that warming temperatures lead to more frequent heatwaves and heavy rainfall, but the relationship with storms is less clear.