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Cardiology news
Minutes-long process could create custom blood vessel grafts during surgery
Traumatic injuries, whether on a battlefield or in a car accident, often involve damaged blood vessels that require immediate repair. New research from Harvard bioengineers aims to make these critical, time-sensitive medical ...
4 hours ago
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A lipid regulator of Sonic Hedgehog signaling may shape heart and lung development
St. Jude Children's Research Hospital scientists have uncovered a regulatory mechanism for signaling of Sonic Hedgehog (SHH), a pathway essential for embryonic development. The findings, published in Nature Communications, ...
4 hours ago
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Skipped beats often are benign, while persistent symptoms may need evaluation
Arrhythmias fall into two categories: too fast or too slow. A racing heart or a skipped beat typically falls into the "too fast" category. In younger people, typically those in their 20s to 50s, the heart may suddenly speed ...
6 hours ago
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Registry identifies gaps in care for patients with aortic stenosis
Undertreatment and delayed treatment of aortic stenosis lead to increased mortality, but a new multicenter registry led, in part, by a Vanderbilt Health researcher and the American Heart Association (AHA) aims to improve ...
4 hours ago
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For long-term health, diet quality matters more than food processing level
What makes a diet healthy—or not? According to a new study, nutritional quality matters more than processing level when it comes to long-term health.
5 hours ago
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Different GLP-1 therapies could be tailored to patients' individual metabolic needs
Different varieties and doses of GLP-1 medications can have meaningful differences in how they address heart and metabolic health issues, according to new research led by the Perelman School of Medicine at the University ...
22 hours ago
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Is your diet driving up your cholesterol? That may depend on your genes
Can a low-carb diet cause your cholesterol to skyrocket? This question has vexed researchers and influencers alike as the popularity of low-carbohydrate diets has surged, yet the evidence has remained mixed. New research ...
Jul 27, 2026
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Traditional food program reduces heart failure hospital visits in Navajo Nation
A culturally tailored meal program rooted in traditional Diné foods significantly reduced hospitalizations and emergency department visits among heart failure patients in rural Navajo Nation, according to a new randomized ...
Jul 27, 2026
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Plant-forward planetary health diet linked to lower heart disease risk
A 20-year study of more than 65,000 postmenopausal women found that higher adherence to the Planetary Health Diet was associated with a lower risk of overall cardiovascular disease, coronary heart disease, stroke and heart ...
Jul 25, 2026
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FDA-issued sodium targets yield no apparent impact
In 2021, the U.S. Food and Drug Administration (FDA) issued Phase I voluntary sodium reduction targets to encourage manufacturers to lower the amount of sodium in packaged food products by 2024. The targets appear to have ...
Jul 25, 2026
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Red meat-related gut byproduct tied to higher atrial fibrillation risk
A Cleveland Clinic-led study shows a connection between elevated blood levels of TMAO (trimethylamine N-oxide)—a byproduct of gut bacteria digestion of nutrients found in red meat and other animal products—and a higher risk ...
Jul 24, 2026
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How the heart's 'little brain' helps it function and protects it against stress
For years, scientists have known that the heart has its own network of nerves, the intrinsic cardiac nervous system (ICNS), sometimes called its "little brain." Exactly how it functions has remained something of a mystery, ...
Natural clotting 'switch' may one day reduce reliance on blood thinners to prevent heart attacks and strokes
Cardiovascular conditions such as strokes or heart attacks are among the most common causes of death in Germany. Today, treatment and prevention are primarily based on so-called platelet aggregation inhibitors and anticoagulants—types ...
Jul 23, 2026
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Artery-on-a-chip helps predict stroke risk
Predicting an individual's risk of ischemic stroke is difficult because thrombosis embolization—the process of a blood clot detaching from the area where it formed, traveling and then sticking in another blood vessel—is based ...
Jul 23, 2026
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Gene regulation map reveals treatment targets for heart failure
Researchers from the University of California San Diego have created the most detailed map to date of how gene regulation breaks down in human heart failure, revealing how genes are controlled in specific cell types as the ...
Jul 23, 2026
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Misfolded DNA blueprint: A new origin for genetic disease
Congenital heart disease is the most common birth defect, affecting approximately 1 in 100 babies born each year. One of the many causes of this disorder is having only one functional copy of the gene TBX5, rather than the ...
Jul 23, 2026
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Why air travel can be so hard on the body
At any given time, hundreds of thousands of people are traveling by air. For many, these journeys will pass without consequence. But for some, a routine flight may trigger a health emergency.
Jul 23, 2026
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Modifiable cardiovascular risk factors may drive dangerous plaque buildup in coronary arteries
Cardiovascular risk factors are linked to a higher risk of heart disease, but it has been unknown how they are related to abrupt closure of the coronary arteries leading to heart attack and sudden cardiac death. A study by ...
Jul 23, 2026
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Burden of myocardial dysfunction elevated for individuals with psoriasis
Individuals with psoriasis have a higher burden of myocardial dysfunction, independent of cardiometabolic risk, according to a study published online July 17 in the Journal of the European Academy of Dermatology and Venereology.
Jul 23, 2026
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Availability of generic semaglutide removes barrier to affordable diabetes care, experts predict
In a novel analysis examining the economic implications of generic semaglutide entering the Canadian market, researchers predict that anticipated price reductions of up to 70% will dramatically increase both the cost-effectiveness ...
Jul 22, 2026
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Sudden cardiac death condition shown to have linked genetic variations
Scientists have found that the "sudden" cardiac death condition related to high-profile deaths or major medical episodes of sports stars including Fabrice Muamba, Christian Erikson and Mark-Vivian Foe, has numerous linked ...
Jul 21, 2026
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Study finds 1 in 3 Americans without heart disease miss new cholesterol goals—and 3 in 4 go untreated
A new study by investigators from Mass General Brigham finds that nearly 1 in 3 U.S. adults without heart disease—and almost 4 in 5 of those who have already had a heart attack, stroke or other cardiovascular event—have LDL, ...
Jul 21, 2026
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Pregnancy complications linked to long-term risk of peripheral artery disease
Women who experience pregnancy complications such as gestational diabetes, preeclampsia or preterm delivery have a significantly increased long-term risk of developing peripheral artery disease (PAD) later in life, according ...
Jul 21, 2026
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Latest evidence on risk factors, early intervention, and strategies to prevent heart failure before symptoms develop
Heart failure already affects more than 60 million people worldwide and is one of the leading causes of hospitalization among people 65 and older. Although it is commonly associated with advanced cardiovascular disease, it ...
Jul 21, 2026
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Heart risk tools predict certain cancers about as well as they predict heart disease
Risk calculators that doctors use to estimate a person's risk of a heart attack or stroke work about as well for predicting certain cancers, according to a new study by UCL (University College London) researchers. The tools, ...
Jul 21, 2026
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