Circulation

Cardiology

Researchers use DNA analysis to diagnose subtypes of heart disease

The human heart is an intricate, complex organ and, like a car that starts sputtering, its function deteriorates for all sorts of reasons. Cardiomyopathy—any disease of the heart muscle that makes it pump blood less effectively—can ...

Cardiology

The impact of climate change on cardiovascular mortality

Two new University of Pennsylvania studies led by LDI Senior Fellow and Perelman School of Medicine cardiologist Sameed Khatana, MD, MPH are bringing a greater focus on the increasing health threat of extreme heat waves and ...

Genetics

Arrhythmia genes more common than previously thought

By sequencing known genes associated with cardiac arrhythmia risk in more than 20,000 people without an indication for genetic testing, scientists were able to identify pathogenic and likely pathogenic variants in nearly ...

Medical research

The circadian clock in heart failure

Disrupting circadian rhythms, which change naturally on a 24-hour cycle, has been implicated in heart disease, but it is unclear how it leads to the condition. A research team at Baylor College of Medicine and collaborating ...

Health

Reducing sugar in packaged foods can prevent disease in millions

Cutting 20% of sugar from packaged foods and 40% from beverages could prevent 2.48 million cardiovascular disease events (such as strokes, heart attacks, cardiac arrests), 490,000 cardiovascular deaths, and 750,000 diabetes ...

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