Research on the causes and treatment of heart disease. Covers light exposure and heart health, sex differences, heart-in-a-dish models, and cardiac risk.
A new study suggests that a high-salt diet can lead to the hyperactivity of brain cells, resulting in increased constriction of blood vessels and worsening of cardiometabolic diseases. The research also found that excessive salt consumption can trigger an unusual response in which neurons become more active despite reduced blood flow.
A recent study published in Pediatrics found that Hispanic/Latino youths experiencing food insecurity have poorer HDL-C levels, greater fasting glucose and triglycerides, and a higher risk of metabolic syndrome. The study highlights the need for nutrition policies to address food insecurity among this population.
New research suggests that routine mammograms can provide key insights into a woman's risk of cardiovascular disease. The study found that detection of breast arterial calcifications on mammograms was associated with a higher risk of heart disease and stroke in postmenopausal women.
A new study published in Mayo Clinic Proceedings found a significant link between socioeconomic deprivation and premature cardiovascular mortality in the US. Counties with high social deprivation had the highest rates of premature cardiovascular deaths, highlighting the need for targeted interventions to address health disparities.
A new study from Northwestern University finds that even moderate light exposure during sleep harms cardiovascular function and increases insulin resistance. Closing blinds and using dim lighting before bed can help mitigate these effects.
A new study published in JAMA Internal Medicine found that the link between high cholesterol and heart disease may not be as strong as previously thought. The research suggests that statins may have a modest benefit for some individuals, but this benefit varies depending on personal risk factors.
A new study found that nearly half of over-35s lack confidence in recognizing cardiac symptoms during strenuous exercise. The survey of 153 Masters football players aged ≥35 years highlights the importance of education and knowledge in mitigating serious cardiac risk.
A randomized study of 379 women with obesity and unexplained infertility found that intensive lifestyle changes that shed pounds led to no better chances of pregnancy than simply increasing physical activity without weight loss. The study also showed significant health benefits from weight loss, including a decrease in metabolic syndrome.
Researchers found that chronic lactate exposure can lead to cellular disruptions, decreased fatty acid transport, and alterations of mitochondrial membranes, which may contribute to the development of heart failure and type 2 diabetes. The study suggests that lactate accumulation could be a major player in disease progression.
Scientists developed a powerful new tool called Giraffe to improve genomic research by leveraging global genetic diversity. The tool allows for the use of a diverse pangenome reference point, enabling faster and more sensitive comparisons of short-read human genome sequences.
A clinical trial at UC Davis Health showed that cellular therapy offers promise for patients with late-stage Duchenne muscular dystrophy, stopping deterioration of upper limb and heart functions. The therapy appears to be safe and effective in improving skeletal muscle and cardiac function.
A study of nearly 600,000 adults found that those diagnosed with bipolar disorder, schizophrenia, or schizoaffective disorder had a higher risk of cardiovascular disease at younger ages. This highlights the importance of addressing cardiovascular risk factors for these individuals as early as possible.
Researchers at Michigan Medicine found that a medium-chain fatty acid called octanoic acid can reduce further injury and improve heart function after a heart attack. This discovery could lead to the development of a new therapy to treat heart attacks, targeting the interplay between energy metabolism and epigenetics.
Robert Gourdie, a cardiovascular scientist at the Fralin Biomedical Research Institute at VTC, has been awarded an R35 grant from the National Heart, Lung, and Blood Institute. This seven-year, $6.4 million grant enables him to pursue research on intercellular communication and its applications in treating various medical challenges.
Researchers at Karolinska Institutet studied long-term outcomes of bioprosthetic aortic valves implanted between 2003 and 2018. They found significant differences in performance depending on valve model, with Perimount having the lowest risk of replacement and mortality among patients
Research found that individuals who have previously taken cholesterol- or blood pressure-lowering medications before a heart attack were less likely to adhere to these medications afterwards. Despite the proven benefits, fewer than one-third of patients continued taking their prescribed tablets for over a year after hospitalization.
A team of UTSA researchers has developed an innovative inhibitor that blocks the effects of cytochrome P450 8B1, a key enzyme linked to cholesterol absorption and obesity. The treatment shows promise in reducing glucose levels without affecting body weight, offering potential relief from obesity-associated metabolic disorders.
Researchers from NYITCOM are using a new imaging technique to study diabetic heart failure and its causes. They hope to develop new treatments by tracing how lysosomes, the body's defense system, are impaired in heart muscle cells.
Researchers found a relationship between regionalized fibrosis in the left ventricle and mitral valve prolapse disease, suggesting potential benefits from earlier surgical intervention. Advanced fibrosis could be added to traditional markers for mitral valve repair.
A new collection of scientific articles reviews the past decade of research on women's cardiovascular health, identifying key differences between men and women. The studies highlight critical gaps in current knowledge and emphasize the need for a more tailored approach to diagnosing and treating heart disease and stroke risk in women.
Researchers found elevated plasma xanthine oxidase activity and more fragments of damaged mitochondrial DNA in Black adults with resistant hypertension compared to white adults. These findings suggest an important underlying cause of increased cardiovascular risk in Blacks with difficult-to-treat hypertension.
A new AI algorithm developed by physician-scientists can effectively identify and distinguish between two life-threatening heart conditions: hypertrophic cardiomyopathy and cardiac amyloidosis. The algorithm uses specific features from cardiac ultrasound videos to flag high-risk patients, enabling earlier diagnosis and treatment.
Researchers found that daily life movement, including housework and self-care activities, significantly benefits cardiovascular health. Women with at least four hours of daily life movement had a 43% lower risk of cardiovascular disease, 62% lower risk of cardiovascular disease death.
Researchers at MDI Biological Laboratory discovered that age-related chronic inflammation is caused by disruption of chromatin architecture. This leads to misexpression of genes lacking CpG islands, resulting in inflammation and loss of cellular function. The findings provide a unifying theory for the age-related degenerative diseases.
A study reveals that changes in gut microbiota and metabolome are associated with cardiovascular disease development, particularly coronary heart disease. The research found that alterations in the gut microbiome occur long before the onset of heart disease, suggesting a potential role for the microbiome in its early pathogenesis.
A preclinical study identified a protein complex critical for regulating apoptosis and necroptosis. Inhibiting this complex may help prevent excessive cell death and tissue damage associated with heart attacks, autoimmune disorders, and COVID-19. Researchers believe that targeting the PPP1R3G/PP1γ pathway could lead to new treatments f...
A Swedish registry study found no increase in endocarditis cases among high-risk individuals since the removal of prophylactic antibiotics in dentistry. The study monitored over 76,000 high-risk individuals and 396,000 low-risk individuals from 2008 to 2018.
A new Northwestern Medicine study reveals that more than half of young women in the US have at least one risk factor for poor heart health before pregnancy. Optimizing heart health before and during pregnancy can prevent complications, deliver a healthy baby, and even reduce the risk of heart disease years later.
A study of 3099 older Italians found that increasing physical activity levels between 65-75 years old can lower cardiovascular disease risks in late old age. Maintaining an active lifestyle over time was associated with a 52% lower risk of cardiovascular disease among men.
A study by Washington State University found that social support can mitigate the risk of heart disease and death in older American Indians. Higher rates of depression symptoms, poor quality of life, and social isolation were linked to increased mortality, but instrumental social support reversed this effect.
Patients with severe coronary artery calcium have a significantly increased risk of major adverse cardiovascular events during thoracic radiation therapy for non-small cell lung cancer. The study found that patients with severe coronary artery calcium had a 21.4 times increased risk compared to those with no coronary artery calcium.
A new Dartmouth-led study found that antimony and other metals are associated with lower birthweight, while some metals show group- and sex-dependent associations. The research suggests that reducing exposure to these metals could help prevent harmful effects on fetal growth.
Salk researchers have engineered mammalian cells to be activated using ultrasound, a method that paves the way toward non-invasive versions of deep brain stimulation, pacemakers, and insulin pumps. The team found a protein called TRPA1, known for its role in responding to noxious compounds, which also opens in response to ultrasound.
A new study published in Scientific Reports found that combining aspects of poor sleep health increases the risk of heart disease. Researchers analyzed data from 6,820 U.S. adults and found a strong association between sleep health problems and heart disease risk, with Black participants showing higher rates of both.
Biomedical engineers at Duke University have developed a gene therapy that helps heart muscle cells electrically activate in live mice. The approach features engineered bacterial genes that code for sodium ion channels, which could lead to therapies to treat electrical heart diseases and disorders.
A multidisciplinary research team from the University of Pittsburgh seeks to improve vascular graft integration by developing fully biodegradable tissue-engineered vascular grafts. The goal is to keep compliance-matched as it degrades and remodels, reducing long-term graft failure rates.
A new study reveals that social isolation and loneliness can increase cardiovascular disease risk by 8% and 5% respectively. Women who experience high levels of both social isolation and loneliness have a 13-27% increased risk of heart disease, compared to those with low levels.
A trial found that parents bought fewer sugary drinks when products displayed pictorial warnings about type 2 diabetes or heart damage. Pictorial warnings are being explored as a strategy to reduce children's intake of sugary drinks and related health outcomes.
Researchers found that adhering to Life's Simple 7 guidelines significantly lowers the risk of coronary heart disease regardless of genetic predisposition. Individuals with high polygenic risk saw the greatest benefits from a healthy lifestyle, with a reduced lifetime risk and extended years lived free of coronary heart disease.
Researchers have discovered a new method to predict heart attacks by analyzing the gene expression of foamy macrophages, revealing a person's cardiovascular health. The study found that foamy cells can be both beneficial and detrimental depending on their behavior in individuals with certain conditions.
A new study found that patients with chronic non-communicable diseases are more than twice as likely to die from any cause if they also have a psychiatric comorbidity. Comorbid psychiatric disorders were associated with higher all-cause mortality rates, ranging from 5.5-21.1%.
A mixed-method review and meta-analysis found that integrated palliative care in ambulatory settings has limited effect on reducing symptom burden, but improves health care utilization for U.S. adults with non-cancer related chronic illnesses. The models were also effective in increasing advanced directive documentation.
The UK has an estimated 1.5% prevalence of severe aortic stenosis among people aged 55+, equivalent to around 300,000 living with the condition. Over half of advanced cases will die within 5 years without treatment. The NHS may struggle to cope with the rising demand for life-saving surgical procedures.
Researchers found minority groups were less likely to start newer diabetes medications, despite needing them most. The study used data from nearly 5,000 patients with type 2 diabetes and showed Black patients were 20% less likely and American Indian or Alaskan Native patients were 50% less likely to initiate treatment.
Middle-aged men with high levels of anxiety and worry are at greater biological risk for developing heart disease and type 2 diabetes as they age. The study found that cardiometabolic disease risk increased with age, regardless of anxiety levels, but anxious individuals were more likely to develop the condition over time.
A recent study published in Drug and Alcohol Dependence found that people with underweight who drink excessively may be at an even higher risk of dying from heart disease, cancer, and other causes. The researchers analyzed data on mortality risk among drinkers and non-drinkers using the CDC categories to define
The Nutrition for Precision Health study will use data from 10,000 participants to develop algorithms predicting individual responses to food and dietary routines. The goal is to create more personalized nutrition recommendations and reduce health disparities.
Scientists identified 46 metabolites linked to coronary heart disease among Black Americans, which were also found in a multi-ethnic population. These biomarkers may serve as better markers of disease for the general population than traditional risk factors.
A survey study estimated the change in US adult coronary heart disease prevalence from 2011 to 2018. The study found that the prevalence of coronary heart disease among US adults increased during this period.
The Cardiovascular Research Foundation (CRF) will host THT 2022 from February 1-2, 2022. The conference features new and emerging treatments for heart failure, including transcatheter approaches and innovative monitoring strategies.
Researchers have discovered that heart disease causes early brain dysfunction, leading to reduced blood flow and increased risk of dementia. A combination of heart disease and a genetic predisposition for Alzheimer's Disease also trebles the amount of beta-amyloid protein in the brain.
A study suggests that nearly 60 percent of the risk associated with coronary artery disease may be explained by changes in hundreds of genes working together in networks across several organs. Fat processing hormones may play a central role in coordinating this activity.
Researchers found that adding tomato concentrate to a mouse's diet reduced intestinal and systemic inflammation in individuals with chronic HIV. The study suggests targeting the inflamed intestine may be a novel way to prevent persistent inflammation.
A meta-analysis found that breastfeeding significantly lowers a mother's risk of developing cardiovascular disease, including heart attacks and strokes. The review analyzed health data from nearly 1.2 million women across eight studies conducted in different countries.
The International Cardiac Rehabilitation Registry (ICRR) is designed to assess the quality of cardiac rehab programs worldwide, improving patient outcomes. The registry enables programs in low- and middle-income countries to benchmark their services against international standards.
Researchers at MUSC identified a potent antifibrotic peptide that reverses scarring in human and mouse tissues by activating an antifibrotic pathway. The E4 peptide has the potential to treat various diseases, including heart disease, lung fibrosis, liver cirrhosis, and chronic kidney disease.
A new study suggests that midlife cardiovascular conditions and risk factors were associated with midlife cognitive decline, but the association is stronger for women. Certain cardiovascular conditions, such as diabetes and heart disease, had stronger associations with cognitive decline in women compared to men.
A cross-sectional study found that mild autonomous cortisol secretion (MACS) predominantly affects women, increasing the frequency and severity of hypertension and type 2 diabetes compared to nonfunctioning adrenal tumors. Patients with MACS carried an increased cardiometabolic burden similar to Cushing Syndrome, even without typical f...
A Colorado State University study analyzed global health data to identify the leading causes of deaths and disabilities in the state from 1990 to 2019. Cardiovascular disease and cancers accounted for half of the deaths, while musculoskeletal disorders and tobacco use were also significant contributors.
Scientists have created a new tool that monitors the electrical activity inside individual heart cells using tiny 'pop-up' sensors. The device directly measures signal movement and speed within single heart cells and between multiple cells, offering potential breakthroughs in diagnosing arrhythmia and cardiac fibrosis.