A study of 553 patients found that those with a history of heart problems were more likely to receive cholesterol-lowering drugs, while those without a history received less treatment. The lack of aggressive treatment for peripheral artery disease (PAD) has significant implications for patient outcomes.
A new study from Johns Hopkins Medicine finds that alagebrium reduces stiffening in arteries by 37% and improves endothelial function by 102%. The drug works by breaking down advanced glycation endproducts, which contribute to arterial aging. The results suggest a potential new therapy for reducing cardiovascular disease in the elderly.
A Mayo Clinic study has identified a significant increase in mortality from stroke among patients with heart failure. The research found that older individuals with previous strokes or diabetes were more likely to experience a stroke, leading to a higher risk of death.
A new analysis by Duke University Medical Center cardiologists found that low-dose aspirin (81 mg a day) significantly reduces death rates for postmenopausal women with heart disease, similar to higher dose aspirin (325 mg). Fewer than half of the 8,928 women in the study were taking any aspirin.
Researchers found a significant negative correlation between urine albumin levels and adiponectin hormone in obese mice. In humans, low adiponectin levels were associated with albuminuria, an indicator of kidney disease.
The TEMPO study demonstrated that over three-quarters of patients treated with Enbrel plus methotrexate experienced no progression of joint damage. Additionally, patients treated with this combination therapy showed a significant improvement in physical function compared to those receiving either treatment alone.
A new study found that increased physical activity is associated with a decreased risk of breast cancer in both black women and white women, regardless of disease stage or family history. Additionally, research on plant compound deguelin suggests it may interfere with tobacco-induced lung cancer development, while high plasma levels of...
A new study found that female rats experienced markedly increased levels of the stress hormone corticosterone compared to male rats. Chronic stress has been linked to various diseases in humans, including mental illness and autoimmune disorders, which are more prevalent among women.
The NHLBI research presented at the American Heart Association's scientific sessions highlights important findings on women and heart disease, including a link between high levels of male sex hormones and coronary artery disease in postmenopausal women. The study also explores the impact of socioeconomic status on cardiovascular diseas...
A recent study has discovered substantial room for increasing the efficiency of nanotubes, which are crucial for producing light with novel properties. The research found varying quantum efficiencies among individual nanotubes, with some being up to 1,000% more efficient than others.
A new antibody profiling technique has been developed to identify five protein markers that can detect lung cancer with high accuracy. The technique achieved 90% sensitivity and 95% specificity in identifying cancerous versus non-cancerous patient samples.
New study in Cameroon confirms declining effectiveness of malaria drugs like sulfadoxine-pyrimethamine and amodiaquine, highlighting need for alternative treatments. Researchers highlight importance of monitoring resistance and patient adherence to effective treatment regimens.
The Oxford Vascular Study found that cerebrovascular events occurred at similar ages to coronary vascular events, but stroke was more likely to cause major disability. Stroke has a greater clinical burden than heart disease in the UK due to higher rates of acute events and major disability.
A study published in Political Psychology analyzed sales data from eight Marvel comic books and found that unconventional heroes sold more copies during low-threat times compared to high-threat times. The conventional hero titles, on the other hand, remained flat in sales.
A recent study published at the Society for Neuroscience Annual Meeting found that brain activity related to face processing is similar in individuals with and without autism. The researchers used functional magnetic resonance imaging (fMRI) to examine brain function in people with autism as they processed social cues, including faces.
A new study from Johns Hopkins Medicine found that replacing carbohydrates with protein-rich foods or monounsaturated fats reduces the risk of heart disease. The study, which lasted three years, involved 164 healthy adults who followed one of three diets: high in carbohydrate, high in protein, or high in monounsaturated fat.
The University of Arizona and BIO5 Institute have received a $29 million federal grant to sequence the maize genome, enabling faster improvement of agronomically important traits in cereal crops. The goal is to unravel the complete DNA sequence of the maize plant and determine its genetic makeup.
Researchers argue that reducing carbohydrate intake is key to treating metabolic syndrome, as it can restore insulin responses and improve overall health. Studies have shown that carbohydrate reduction is more effective than fat reduction in addressing the various components of metabolic syndrome.
African-American patients with heart failure are less likely to receive implantable cardioverter-defibrillators (ICDs), despite similar prescription rates for evidence-based medicines. The disparity is attributed to lack of access to care, limited availability of cardiologists and specialized electrophysiology training.
Researchers at Forsyth Institute discover that gap junctions play a crucial role in planarian regeneration by facilitating long-range signaling. By closing down gap junctions, the team found that cells can adopt radically different fates, leading to the growth of complex structures.
The RTS,S/AS02A vaccine has been shown to reduce the risk of clinical malaria by 30% and severe malaria by 58% in a trial involving over 2000 Mozambican children. The vaccine's efficacy did not wane after 12 months of follow-up, providing sustained protection against clinical malaria for at least 18 months.
A study found that diets rich in meat, refined starches, and sodium are associated with an increased risk of persistent coughs with phlegm. The 'meat-dim sum pattern' was positively linked to new onset symptoms, while the 'vegetable-fruit-soy pattern' showed a protective effect.
A Swedish study found that women with placentas weighing at least 700 g had a 38% increased risk of developing breast cancer compared to those with lighter placentas. Higher placental weight during pregnancy may reflect elevated hormone exposure, which can increase breast cancer risk.
Researchers found that GRK2 increases in the adrenal gland, leading to high catecholamine release and desensitization of alpha-adrenergic receptors. Reducing GRK2 levels improves receptor function and reduces catecholamine release.
A recent study published in the Proceedings of the National Academy of Sciences found that nesting preferences are a crucial factor in determining whether an invasive ant species will establish itself. According to researchers, ground-nesting and arboreal ants with specific biological characteristics are more likely to succeed. The stu...
Researchers studied individual neurons in cats' neocortex to understand multisensory integration, finding that many neurons can respond to multiple senses. The findings suggest that early sensory experiences play a significant role in shaping brain circuitry, with potential implications for treating disorders such as autism and dyslexia.
The RTS,S/AS02A vaccine reduced clinical malaria episodes by 35% and severe malaria episodes by 49%. The study followed 14,442 children who received a three-dose regimen of the vaccine in 2003 for an 18-month follow-up period.
Researchers found that newly generated olfactory neurons in the adult brain can specialize in detecting previously unencountered odors and respond strongly to those smells. This suggests a unique role for these new cells in learning and memory functions, which may be important for repairing diseased brain tissue.
A Saint Louis University study found that genetics account for approximately 33-36% of how we feel physically and mentally. The researchers examined the health-related quality of life of 2,928 middle-age men using twins, revealing a strong genetic influence on our perception of health.
A study found that 45% of heart patients use complementary or alternative medicines, but only 39% believe their doctors should know. Physicians must educate patients on risks and provide safe alternatives to prevent life-threatening interactions with prescribed cardiac medications.
Researchers have developed a new tissue-engineered vessel made from the patient's own cells, which can replace synthetic grafts used in coronary bypass surgeries. The first human trial showed promising results, with no failures noted during the first five months of use.
Studies identify molecular markers that can predict clinical outcome for patients with non-small cell lung cancer treated with gefitinib. Researchers found subgroups of patients with specific biomarkers, including EGFR gene copy number and Akt activation status, have increased survival rates.
The IDEAL study found that intensive LDL-C lowering therapy in patients with previous myocardial infarction did not significantly reduce primary end points but showed reduced risk of secondary composite endpoints and nonfatal acute MI. No differences were observed in cardiovascular or all-cause mortality.
Two studies by nephrologists at Texas Children's Hospital reveal that mild renal insufficiency is linked to poor outcomes in children with acute decompensated heart failure. Additionally, the research shows that hypertension in children is a silent disease that requires early screening and management.
A two-year study involving over 2,500 heart failure patients found that hospitals that cooperated to deliver proven care and educate patients saw lower death rates and rehospitalization rates. The project used a toolkit of standard admission orders, clinical pathways, and discharge checklists to ensure optimal care.
Researchers found that consuming sugar snacks reduces glucocorticoid levels in rats, which can help alleviate physical and psychological stress. The study suggests that sweets made from natural sugar may be a healthy 'self-medication' option for managing stress.
Researchers used FRET and ALEX techniques to measure protein distances, shedding light on protein folding dynamics. The study aims to understand how proteins fold and unfold, holding key to Alzheimer's disease prevention and treatment.
A Phase 2 trial of denosumab found significant increases in bone mineral density across various sites, including the lumbar spine, total hip, and distal radius. The study suggests denosumab may offer a new approach to treating osteoporosis by targeting RANK Ligand.
Researchers discover GRK5 plays a key role in preventing cell growth and proliferation in blood vessel damage, hinting at alternative therapeutic targets. The study suggests that other cell types, such as epithelial cells or bone marrow derived stem cells, may also contribute to restenosis.
Researchers found that people with nonsystolic heart failure can refill their hearts properly, but struggle with pumping blood during exercise. This challenges conventional wisdom and suggests alternative therapies, such as pacemakers or drugs that enhance blood vessel dilation, may be beneficial for these patients.
A study published in the Mayo Clinic found that women with congestive heart failure are less likely to receive cardiac resynchronization therapy but survive longer after implantation. The study revealed a significant gender bias, with women outperforming men in terms of long-term survival.
A mutation in ankyrin-B gene causes cardiac arrhythmia, leading to sudden death in young people. The disorder disrupts calcium balance in heart muscle cells, making patients vulnerable to arrhythmias.
Researchers have developed an immune-boosting vaccine that combines with surgery and chemotherapy to treat pancreatic cancer. Early results show improved survival rates, surpassing previous studies, and the team hopes to refine the vaccine's targets through further analysis.
Research shows lead may cause additional long-term health problems, disrupting immune cells that fight off pathogens. An estimated 434,000 US children under age 5 have elevated lead levels in their blood.
A randomized feeding study found that diets partially replacing carbohydrates with protein or monounsaturated fat lowered blood pressure and improved serum lipid levels. These findings suggest that macronutrient substitution can further reduce cardiovascular disease risk in the general population.
Researchers at UT Southwestern have developed methods to keep sperm precursor cells from differentiating into sperm, allowing them to freeze and thaw the cells. This breakthrough could lead to alternative sources for embryonic stem cells and enable the development of new male contraceptives. The study's findings also pave the way for g...
A follow-up study to the NSABP Breast Cancer Prevention Trial confirms tamoxifen's effectiveness in reducing invasive and noninvasive breast cancer risk. The study found a 43% reduction in invasive breast cancer risk and a 37% reduction in noninvasive breast cancer risk.
A new variant of retinoic acid receptor beta has been discovered, which may play a role in vitamin A resistance in lung cancer. The variant, RAR-beta-1', was found to be expressed in normal lung cells and sensitive to retinoic acid, but not in resistant or lung cancer cells.
A new study has found that chiropractic care is a cost-effective treatment option for chronic low-back pain, with lower costs and comparable patient outcomes compared to traditional medical care. Chiropractic care resulted in clinically significant improvements in pain and disability reduction for both acute and chronic patients.
A new study by Ohio University's Molly Morris and colleagues found that older female swordtail fish spend more time with asymmetrical males than symmetrical males. This contradicts previous studies suggesting females prefer symmetrical markings as a sign of genetic fitness.
Researchers developed a model that reprograms benign skin cells to express genes associated with aggressive melanoma cells, highlighting the role of tumor cell microenvironment in transformation. The study provides potential therapeutic strategies to inhibit melanoma spread.
A meta-analysis of over 95,000 patients found that aspirin significantly reduces the risk of stroke in women, with a 17% reduction in ischemic stroke and a 24% reduction in hemorrhagic stroke. In contrast, aspirin has no protective effect in men and may even increase the risk of bleeding strokes.
Researchers have discovered a novel bacterial protein azurin that can selectively target and kill cancer cells, while also using electric pulses to deliver a gene therapy that stimulates an immune system attack. Additionally, a small nanoparticle has been developed to reduce side effects of radiation and chemotherapy treatment.
A study of diabetic women found that dobutamine stress echocardiography predicts cardiac death and heart attack. The test's accuracy was shown to be higher than previously thought, allowing doctors to rule out ischemia in more patients, thereby extending their lives.
The study found that taking aspirin reduced the risk of cardiovascular death and death from all causes in postmenopausal women with cardiovascular disease. Women taking 81mg or 325mg of aspirin showed a significant reduction in mortality rates, with no difference between the two doses.
Researchers at Lawrence Livermore National Laboratory used fluorescence resonance energy transfer (FRET) to study the transcription of genes in DNA. They found that the initial and final stages of this process occur simultaneously, contradicting earlier theories that proposed separate processes for these stages.
A new combination treatment for glioblastoma has been found to improve survival rates without negatively affecting patients' quality of life. The study, which involved 573 patients, found no significant differences in six out of seven health-related quality of life measures after three months.
Researchers at St. Jude Children's Research Hospital identified Cbln1 as a key protein maintaining correct synaptic connections in the adult brain. Without Cbln1, synapses weaken and new nerve connections form, disrupting brain function.
Researchers found that replacing carbohydrates with protein and unsaturated fat can lower blood pressure, improve cholesterol levels, and reduce the risk of heart disease. The OmniHeart study suggests that these modifications can be effective in reducing some risk factors and estimated risk for heart disease.
A scholar argues that there is no scientific evidence to suggest people classified as 'overweight' are under direct threat from their body weight. The real causes of health issues are diet, exercise, and genetics, not body fat.
Researchers have found that two genetic conditions, sickle cell trait and a mild version of thalassemia, offer natural protection against malaria but can be rendered ineffective when occurring together. This study of Kenyan children highlights the complexity of genetic interactions in naturally acquired immunity.
The University of Georgia has been selected to conduct a pilot program aimed at increasing educational attainment among Hispanic students. The program will be compared to the practices at the University of Texas at Austin, which has a long history of attracting and retaining students from an established Hispanic community.
A study published in Cancer Research reveals that patients with high levels of the protein BCA2 are less likely to experience breast cancer re-occurrence. Higher levels of BCA2 are associated with positive estrogen receptor status and increased disease-free survival for regional recurrence.
Researchers at Ohio State University found that hamsters exposed to limited daylight before birth exhibited increased depressive symptoms as adults. The study suggests a link between seasonal light exposure, sex, and depression in hamsters, providing potential insight into human seasonal affective disorder.
Researchers found that wheezing prevalence follows distinct patterns by age 6 and stability of lung function is maintained through school years. Children with early wheeze tend to have lower lung function levels but stable rates.
UCLA researchers have developed a new method to monitor the immune system's response to cancer using PET scans. This breakthrough could lead to faster and more effective ways to test immunotherapies and track human responses to cancer treatments.
UCSB researchers have developed a hybrid silicon evanescent laser that could alleviate limitations in microelectronic systems. The laser uses InAlGaAs quantum wells to provide optical amplification and has the potential to enable highly integrated laser sources with intelligent opto-electronic devices.
Researchers found that a 12-minute visit with dogs significantly lowered blood pressure, released less harmful hormones, and reduced anxiety among hospitalized heart failure patients. This study demonstrates the benefits of animal-assisted therapy as an adjunct to medical treatment for these patients.
The project aims to sequence the maize genome to understand more about plant genomes and evolve cereal genomes. Scientists will sequence a maize cultivar called B73, with the goal of identifying new genes responsible for important traits like yield and drought tolerance.
Researchers have discovered a protein, RAR1, critical for response to retinoid treatment, which is resistant to this class of drugs. By triggering RAR1 protein expression in cancer cells, sensitivity can be restored, offering new hope for lung cancer patients.
Researchers investigated whether music training enhances multisensory processing, particularly sound localization in conductors. The study found that conductors outperformed musically untrained subjects in combining auditory and visual cues.
A combination of brain scanning with a new imaging agent and cerebrospinal fluid analysis has shown promise in predicting Alzheimer's disease. Researchers found low CSF levels of amyloid beta 42 in patients with cognitive impairments, but also detected positive results in cognitively normal subjects.
Researchers at the University of Pittsburgh discovered a brain imaging method to monitor Alzheimer's disease progression non-invasively using Pittsburgh Compound-B. This breakthrough allows for early diagnosis and monitoring of amyloid plaque deposits, which are thought to cause brain cell death.
A new antimalarial combination, CDA, has shown faster time to reduce parasite levels and greater reductions in parasite viability and reproductive ability compared to current treatments. Phase III trials are planned across sub-Saharan Africa to study its safety and efficacy.
A recent Penn State study suggests that increasing the truck driver's hours of service beyond 10 hours leads to a significant rise in the risk of crashes. The most concerning increase occurs within the 9th, 10th, and 11th hours of driving.
Research at Duke University Medical Center found that US heart patients receive blood transfusions 84% more often than Europeans and 38% more often than Asians. The study revealed wide differences in bleeding and transfusion rates among heart patients globally, with the US having significantly higher rates.
Researchers developed a new technique using time-resolved laser-induced fluorescence spectroscopy to identify plaque characteristics that contribute to weakening of the plaque. The technique was found to be 97 percent effective in identifying high-risk lesions, which are more likely to rupture and block blood supply.
A new study has successfully treated 99.1% of children with heart rhythm problems using a 3-D computer-assisted navigation system, reducing radiation dose by nearly half compared to traditional methods. The treatment also resulted in fewer RF applications and improved accuracy in finding specific locations.
Researchers at Thomas Jefferson University discover fullerene nanoparticle reduces organ damage from ionizing radiation by one-half to two-thirds, outperforming current protection methods. The agent also provides specific protection for organs like the kidney and nervous system.
Researchers at OHSU found that mice consuming fewer calories experienced a boost in essential neurochemical glutamate, which reversed a Parkinson's-induced drop. The study suggests dietary restriction may be beneficial in early-stage Parkinson's disease.