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Cardiology news
Heat waves and pollution raise heart risks, doctors warn
When temperatures climb, the cardiovascular system works harder to keep the body cool by redirecting blood flow from the core to the surface of the skin to allow for evaporation. High temperatures can cause blood to coagulate ...
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Seven-year study finds non-surgical valve replacement holds up as well as open-heart surgery
The incidence of cardiovascular disease is rising across the globe, with more than 28 million people worldwide living with heart valve disease. Each year in the United States alone, surgeons perform approximately 106,000 ...
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Bacteria from gum disease may cause inflammation, harden heart valves
Gum disease bacteria may spur calcium buildup in the heart's aortic valve, leading to a common and serious heart valve disease, according to preliminary, independent research presented at the American Heart Association's ...
Jul 12, 2026
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Oxalate buildup triggers systemic inflammation and cardiac damage, study shows
People with chronic kidney disease (CKD) have a significantly increased risk of death from cardiovascular disease. They also suffer from chronic inflammation, the causes of which are still only partly understood. Oxalic acid ...
Jul 10, 2026
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Medicare prescriptions for Wegovy jumped after approval for heart disease
Medicare prescriptions for Wegovy increased sharply after the program started covering the anti-obesity medication to prevent heart problems, but just a fraction of beneficiaries likely eligible received the treatment, according ...
Jul 9, 2026
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Fans practice more than 800,000 CPR training compressions at FIFA Fan Experiences
At the 2026 FIFA World Cup fan events across four U.S. host cities, the American Heart Association is bringing Hands-Only CPR training directly to fans, who have already completed more than 800,000 training chest compressions—marking ...
Jul 9, 2026
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After weight loss, exercise improves cardiovascular health more than weight-loss medication
People with severe obesity who exercise regularly have healthier blood vessels and lower inflammation than those who rely on medication alone, a new study from the University of Copenhagen shows.
Jul 8, 2026
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Beans for blokes, broccoli for women: Which veggies protect young hearts?
The vegetables you put on your plate in your 20s could shape your health for the rest of your life—and a new study from Edith Cowan University (ECU) suggests men and women may benefit from different vegetables. Research investigating ...
Jul 8, 2026
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Moderate, home-based exercise found safe for aortic dissection survivors
A multicenter clinical trial led by UTHealth Houston has found that survivors of aortic dissection can participate in moderate-intensity exercise at home without increasing the risk of recurrent aortic events. The study is ...
Jul 8, 2026
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New research reveals rise in obesity rates in the US
Obesity rates among U.S. adults and children rose sharply in recent years, and by 2023, 40% of adults and 20% of youth met the criteria for obesity, according to new, independent research published in Circulation.
Jul 8, 2026
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Early access to a cardiac surgical hospital linked to shorter hospitalization for newborns with heart defects
Congenital heart defects are the most common birth defects in the United States. For newborns with the most severe defects—those needing lifesaving intervention—later transfer to a cardiac surgical center is linked to longer ...
Jul 8, 2026
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Do breast cancer and irregular heartbeat have common risk factors and rates?
Alcohol use and smoking are linked to breast cancer and atrial fibrillation/flutter in women 55 and older in multiple regions of the world, according to research published in the Journal of the American Heart Association.
Jul 8, 2026
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Myocardial infarction damage extending to remote regions of the ventricle could improve cardiac deterioration detection
A study provides significant evidence in the field of advanced cardiac imaging and clinical cardiology. It shows that the damage resulting from a myocardial infarction is not confined solely to the affected area, but may ...
Jul 8, 2026
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New heart disease mechanism revealed: Next-generation targeted therapy shows benefit across mutation types
A study led by the Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), working in collaboration with an international research team, has identified a new molecular mechanism involved in hypertrophic cardiomyopathy, ...
Jul 7, 2026
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The silent hormone: How adrenal tumors quietly raise cardiovascular risk over time
A major new study, published in The Lancet Diabetes & Endocrinology, has shown that cortisol levels in patients with adrenal tumors are far less stable than previously assumed. The study also found that those in whom cortisol ...
Jul 7, 2026
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Clinical trial offers strong evidence that nerve blocks can cut opioid use after cardiac surgery
A clinical trial led by St. Michael's Hospital researchers found that using nerve blocks, an anesthesia technique to numb targeted areas of the body, significantly reduced opioid use after cardiac surgery—findings the authors ...
Jul 7, 2026
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The story of the study of post-exercise hypotension
In 1981, a researcher at Mount Sinai School of Medicine named William Fitzgerald noticed something strange—his blood pressure was lower after going for a jog. This anecdotal observation launched a robust investigation into ...
Jul 7, 2026
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Researchers uncover possible cause of muscle pain from widely used cholesterol medication
Millions of people rely on statins, a medication used to lower cholesterol and reduce the risk of heart attack and stroke. But for some, the drugs come with an unwelcome trade-off: muscle pain, weakness and exercise intolerance ...
Jul 6, 2026
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Fibronectin pathway may drive Marfan aortic damage, opening new drug targets
A new study published in Nature Communications identifies a molecular signaling pathway that contributes to the development of life-threatening aortic aneurysms and dissections in Marfan syndrome, a genetic disorder affecting ...
Jul 6, 2026
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AI tool can identify biological profiles associated with thrombosis risk
Two people may be the same age and have similar family histories or risk factors, yet only one of them may develop thrombosis. To better understand why this occurs, researchers from the Complex Disease Genomics Unit at the ...
Jul 6, 2026
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Immature immune cells predict chances of survival following a heart attack
In the event of a severe heart attack, immature immune cells are released into the bloodstream from the bone marrow. A research team led by the University of Münster has demonstrated that the maturity level of neutrophils ...
Jul 3, 2026
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Biological aortic valves linked to better pregnancy outcomes, but more reoperations
In cases of serious aortic valve disease, choosing a new heart valve is particularly difficult for young women who wish to become pregnant. A new Swedish registry study from Karolinska Institutet shows that a biological aortic ...
Jul 3, 2026
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Cardiac screening advice published for military personnel
The first comprehensive framework to guide cardiac evaluation in the Armed Forces has been issued by the European Association of Preventive Cardiology (EAPC) of the ESC. Published in the European Journal of Preventive Cardiology, ...
Jul 3, 2026
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'Polypill' for heart failure cuts hospitalizations and ER visits by 60% in trial
A "polypill" combining three medications recommended to treat heart failure into a single daily dose proved far more effective for patients than taking the drugs separately, a randomized clinical trial led by UT Southwestern ...
Jul 2, 2026
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Congenital heart defects in mothers associated with developmental problems in children
The children of mothers born with heart defects face a higher risk of being developmentally vulnerable, meaning they face challenges related to physical health, emotional maturity and communication, according to a new study ...
Jul 2, 2026
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