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Cardiology news
How nicotine attacks the blood vessels: Mapping the biological hierarchy of cardiovascular harm
A review published in Nature Reviews Cardiology provides the most detailed picture yet of how nicotine damages the cardiovascular system—tracing the biological chain of events from the moment nicotine binds to receptors in ...
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Dehydration can cause more than thirst: Expert explains how it can affect the heart
Dehydration can affect much more than your thirst. It also can place extra stress on your heart and cardiovascular system, explains Dr. Brodie Marthaler, a cardiologist at Mayo Clinic Health System in Eau Claire.
3 hours ago
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AI tool could help heart attack survivors receive tailored care, say experts
The health of heart attack survivors follows three distinct paths in the five years after their heart attack, say researchers from the University of Surrey. The research used an AI tool to find patterns that could not only ...
6 hours ago
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AI model helps clinicians detect heart obstruction using routine ultrasound images
Mayo Clinic researchers have developed and externally validated an artificial intelligence (AI) model that can identify a potentially significant heart obstruction from routine ultrasound videos without relying on specialized ...
7 hours ago
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Artery damage in adults in their 20s highlights need for early cardiovascular risk assessment
A new study found that nearly 8 out of 10 young adult participants, with an average age of 23 years, had cardiovascular-kidney-metabolic syndrome (CKM syndrome), according to independent research published today in Circulation: ...
9 hours ago
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Iron transfusion before heart surgery reduces complications and boosts recovery, clinical trial finds
Giving intravenous iron to patients with anemia before heart surgery reduces the need for a red blood cell transfusion, finds a clinical trial published by The BMJ today. Intravenous iron also saved approximately 44 units ...
20 hours ago
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Compound produced after eating pomegranates targets stiff-heart failure pathway, early tests suggest
A compound produced in the body after eating pomegranates improves heart function by up to 80% in a type of heart failure with limited treatment options.
Aug 19, 2026
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Gut bacteria may transform spinach, beets and plant iron into protective compounds
Researchers at Karolinska Institutet have discovered that gut bacteria can convert dietary nitrate and iron into protective molecules that may reduce the risk of cardiovascular and metabolic diseases. The study, published ...
Aug 19, 2026
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Heartbeats power a battery-free pacemaker designed to last a lifetime
Madison researchers have developed an implantable, battery-free pacemaker that's charged by a patient's heartbeat. The device has the potential to last an entire lifetime, reducing the risks and costs associated with replacing ...
Aug 19, 2026
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Single gene injection reverses inherited heart disease in mice and patient-grown tissue
Melbourne researchers have made a gene therapy breakthrough that could restore heart function in children with genetic heart disease, sparing them the need for transplants.
Aug 19, 2026
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Experimental drug shows promise in reversing high blood pressure's toll on kidneys and heart in mice
High blood pressure affects nearly 1 in 8 people worldwide, and its impact goes far beyond a number on a blood pressure monitor. It can quietly damage the heart, kidneys and brain, making it one of the world's biggest preventable ...
Doctors may now see the hidden signs of sudden cardiac death
Each year, roughly 2% to 5% of the population is affected by mitral valve prolapse (MVP) and mitral regurgitation (MR). These conditions can affect the heart's rhythm and have been linked to sudden cardiac death, particularly ...
Aug 18, 2026
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Web-based cardiac rehab program boosts participation among rural women with heart disease
Fewer women are part of cardiac rehabilitation programs, particularly in rural or remote communities, but Flinders University researchers have found that a web-based program tailored for women in rural and remote communities ...
Aug 18, 2026
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Heart stress based on NT-proBNP changes may improve CVD risk stratification
For community-dwelling older adults, longitudinal changes in N-terminal pro-B-type natriuretic peptide (NT-proBNP) concentrations (heart stress [HS]) may improve risk stratification for cardiovascular disease (CVD) and mortality, ...
Aug 18, 2026
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Wearable sensors and AI could monitor blood pressure in ICU
Wearable sensors coupled with AI can generate blood pressure readings nearly as accurately as the invasive and risky arterial lines relied on in intensive care units and operating rooms, new work by Johns Hopkins University ...
Aug 17, 2026
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TLR2 links inflammation to neonatal heart regeneration, mouse study finds
Unlike adult hearts, the hearts of newborn mammals can temporarily regenerate after damage. However, this remarkable ability is rapidly lost within the first days of life. In a new study, scientists investigated how neonatal ...
Aug 17, 2026
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What is sudden adult death syndrome?
When Mark Hughes, the former Manchester United and Wales manager, lost his 38-year-old son, an inquest found the cause was sudden adult death syndrome, or SADS.
Aug 16, 2026
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Platelet-targeting approach offers a new path to safer thrombosis protection
Glycoprotein VI, or GPVI for short, is a surface receptor found exclusively on platelets and their precursor cells, megakaryocytes in the bone marrow. GPVI is primarily responsible for binding collagen at the site of an injured ...
Aug 14, 2026
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First heart signaling atlas could help identify drugs that act directly on heart muscle
QIMR Berghofer researchers have created the most detailed map yet of the chemical signals that control heart function, opening new avenues for the diagnosis, treatment and prevention of heart disease.
Aug 13, 2026
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Smokers still largely unaware of heart disease risks
An international study has found that despite two decades of global tobacco control efforts, the message still is not getting through to enough smokers that smoking and secondhand smoke cause heart attacks and strokes.
Aug 13, 2026
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Adults 75 and older who stopped statins had similar three-year survival, trial finds
Stopping statins in adults 75 and older with no history of heart disease or stroke does not increase the risk of death over three years compared with continuing statins, although "bad" cholesterol rose around 50% in those ...
Aug 12, 2026
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Sweat sensor enables continuous noninvasive measurement of cholesterol
If you see a doctor regularly, chances are you have had a lipid panel ordered and your blood drawn at a lab. The results told your physician your levels of cholesterol and triglycerides, factors that play a role in diagnosing ...
Aug 12, 2026
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Taking the stairs could cut risk of early death
Taking the stairs could help you live longer—according to new research from the University of East Anglia and the Norfolk and Norwich University Hospital. The study, published today, suggests that climbing stairs significantly ...
Aug 12, 2026
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Unexpected findings add new insight on cannabis and heart health
Habitual cannabis users experienced about 9% fewer premature heartbeats on days they inhaled cannabis compared with days they abstained, a counterintuitive finding that adds to the complex and evolving understanding of how ...
Aug 12, 2026
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Dysregulated immune cells may cause silent inflammation after heart attack
Coronary artery disease, which is caused by plaque buildup in the arteries that supply blood to the heart, can appear stable for long periods without causing any symptoms. But the disease can become unstable at any time and ...
Aug 12, 2026
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