News on Heart and Vascular Diseases

Research Features
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By combining three measures of a person’s cardiovascular response to stress into one equation, researchers could better predict risks for future cardiac events among people with heart disease A scientific team funded by the National Institutes of Health (NIH) has developed a risk calculation to determine how a person’s cardiovascular system adapts...

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Research Features
Insufficient cardiovascular response to mental stress linked to reduced blood flow in the heart among people with heart disease Imagine walking through a park and suddenly spotting a bear. Normally your heart starts beating faster and your blood vessels constrict. That’s the sympathetic nervous system preparing your body for a “flight or fight”...

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Research Feature
What researchers are learning about clonal hematopoiesis As the body ages, it is normal for changes in cells to occur. “Cells divide every day and mutations happen,” said Emma M. Groarke, M.D., an attending hematologist and researcher in NHLBI’s Hematopoiesis and Bone Marrow Failure Laboratory. “Most of the time they don’t have any effect.” Yet...

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News Release
NIH findings may provide early clues about increased risks for advanced biological aging and premature death Adults who stay well-hydrated appear to be healthier, develop fewer chronic conditions, such as heart and lung disease, and live longer than those who may not get sufficient fluids, according to a National Institutes of Health study...

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News Release
Lower levels of HDL cholesterol were associated with increased risks for heart attacks in white but not Black adults, and higher levels were not protective for either group A National Institutes of Health-supported study found that high-density lipoprotein (HDL) cholesterol, often called the “good cholesterol,” may not be as effective as scientists...

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News Release
Certain adults with this artery-blocking condition may see more benefits with an open bypass compared to less-invasive procedures to improve circulation Performing open bypass surgery to restore circulation for people with a severe form of peripheral artery disease (PAD) – a condition that limits blood flow to the legs and feet – resulted in better...

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News Release
Telemedicine, home-monitoring may have helped lessen impact Adults with hypertension saw a small, but consequential, rise in their blood pressure levels during the first eight months of the COVID-19 pandemic, while the number of times they had their blood pressure measured dropped significantly, according to a study supported by the National...