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Cardiology news
Health
Swedish study links temperature extremes to higher death risk in heart failure
A multi-institution research effort led by Harvard T. H. Chan School of Public Health's Center for Climate, Health, and the Global Environment reports that short-term exposure to both low and high ambient temperatures was ...
13 hours ago
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Neuroscience
Oxytocin helps synchronize heartbeat and breathing, newly uncovered neural pathway suggests
When humans and other animals are in a calm state, they tend to breathe slower, and their heartbeat also slows down. Contrarily, when they are exercising or under psychological stress, both their breath and heartbeat tend ...
17 hours ago
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Computational model helps personalize neurostimulation therapy for atrial fibrillation
Atrial fibrillation (AFib) is a cardiac disorder in which the chambers of the heart beat rapidly and irregularly. It's the most common type of arrhythmia and the leading cardiac cause of stroke.
10 hours ago
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Scientists uncover how support cells, once thought harmless, send damaging signals that weaken the heart
Heart failure (HF) is one of the leading causes of death and disability worldwide, affecting millions of people and placing an enormous burden on health care systems. The disease occurs when the heart can no longer pump blood ...
11 hours ago
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Algorithm can predict and lengthen pacemaker battery life
Scientists have found a way to pick the best pacemaker for each patient, potentially making them last years longer.
7 hours ago
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RNA-based biomarkers could make it easier to detect heart failure in women
Diagnosing heart failure in women can be particularly challenging. New research on biomarkers may lead to more accurate diagnoses for heart failure, in both women and men.
8 hours ago
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Stem cell therapy linked to lower risk of heart failure after a heart attack
Patients with weak heart function who receive stem cell therapy shortly after a heart attack are at lower risk of developing heart failure and related hospital stays compared with standard care, finds a clinical trial published ...
4 hours ago
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Heart 'blueprint' reveals origins of defects and insights into fetal development
New research in Sweden has produced a "blueprint" revealing how the human heart is built during prenatal development. It offers insights that could lead to improved prenatal care and new treatments for heart defects, such ...
18 hours ago
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Whole-fat dairy consumption in youth associated with 24% lower artery calcification risk
For decades, Americans have been advised that cutting fat was key for a heart-healthy diet, spurring an industry of low-fat dairy products. A new generation of nutrition research is challenging some of those long-held beliefs—suggesting ...
12 hours ago
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Addressing underdiagnoses of pregnancy-related heart failure
Peripartum cardiomyopathy (PPCM) is a rare but life-threatening condition that can affect women with previously healthy hearts a few weeks before or after giving birth. It causes a severe reduction in the pumping capacity ...
11 hours ago
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Saliva test detects heart failure biomarker for faster, noninvasive diagnosis
Australian scientists have developed a biosensor that can rapidly detect the heart failure biomarker S100A7 in saliva, offering a simple, noninvasive way to identify the disease. The breakthrough, published in Biosensors ...
12 hours ago
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ENCIRCLE trial transforms treatment of mitral regurgitation
David Daniels, M.D., an interventional cardiologist with Sutter West Bay Medical Group and structural heart section chief of Sutter's Advanced Heart & Vascular Service Line, presented results of the international ENCIRCLE ...
5 hours ago
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GLIS model as a predictor of outcomes in older adults with heart failure
With populations aging rapidly worldwide, heart failure has become one of the most pressing medical and social challenges. Older patients face not only a high mortality risk but also losses in muscle strength, mobility, and ...
10 hours ago
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Sleep regularity and other sleep habits in adolescence predict young adult heart health
A study of 307 youth from a diverse population across the United States whose health data were documented from birth into adulthood revealed that earlier sleep timing, more efficient sleep, and less variable sleep patterns ...
12 hours ago
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Scientists discover a new way the body repairs itself after heart injury
An immune cell type called macrophages, found throughout the body's tissues, are often referred to as the body's clean-up crew. That is because they can switch between two modes: one that finds and destroys germs and clears ...
15 hours ago
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Higher stroke risk found in disadvantaged communities
A new study by researchers at the University of Tasmania's Menzies Institute for Medical Research has found people living in lower socio-economic areas (SES) are significantly more likely to experience stroke than people ...
13 hours ago
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AI ECG better detects severe heart attacks in emergency setting, and have fewer false positives
Using artificial intelligence (AI) to analyze electrocardiograms (ECG) improved detection of severe heart attacks, including those that presented with unconventional symptoms, or atypical ECG patterns, and reduced false positives, ...
15 hours ago
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Flavanols in cocoa can protect blood vessel function following uninterrupted sitting, study shows
New research from the University of Birmingham shows that eating flavanol-rich foods—like tea, berries, apples, and cocoa—can protect vascular health in men from the harmful effects of prolonged sitting. The research ...
20 hours ago
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Some acute and chronic viral infections may increase the risk of cardiovascular disease
In the weeks following a bout of influenza or COVID, the risk of heart attack or stroke may rise dramatically, and chronic infections such as HIV may increase the long-term risk of serious cardiovascular disease events, according ...
19 hours ago
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New study reveals potential 'two-in-one' treatment for diabetes and heart disease
Building on earlier studies showing its benefits for type 2 diabetes, a new study has revealed the experimental drug IC7Fc may also help prevent heart disease by lowering cholesterol and reducing inflammation.
Oct 28, 2025
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Women gain greater heart benefits from exercise than men, activity tracker analysis finds
Female individuals may experience a three-fold reduction in mortality risk from coronary heart disease when following recommended exercise guidelines, compared to male individuals. These findings, published in Nature Cardiovascular ...
Oct 28, 2025
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Minimally invasive procedure for aortic valve disease has similar outcomes as surgery, study reports
People who underwent a minimally invasive procedure to have their heart's aortic valve replaced had similar health outcomes years after treatment as people who had surgery, Cedars-Sinai investigators and colleagues report.
Oct 28, 2025
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How neurons go with the flow when migrating through the brain
Researchers have discovered how newly created neurons depend on blood flow in the adult brain to travel from their site of origin to their final location. The study in mice, published today in eLife, is described by the editors ...
Oct 28, 2025
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Lower eosinophil count linked to mortality in patients with acute COPD exacerbation in ICU
For patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD) admitted to the intensive care unit (ICU), lower eosinophil counts are associated with increased in-hospital mortality, according to a ...
Oct 28, 2025
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Clinical Frailty Scale can predict 2-year mortality after heart failure hospitalization
Frailty is closely linked to adverse outcomes in older adults, particularly those with heart failure. Numerous epidemiologic studies show that frailty has important prognostic value in this population, underscoring the need ...
Oct 28, 2025
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