(FG Trade/E+ via Getty Images) When the Food and Drug Administration recently authorized a second COVID-19 booster shot for some people, many of those eligible wondered whether to get one – and when, given that cases are once again rising in some parts of the country. Here’s are answers to six common questions to clear…

(DrAfter123/DigitalVision Vectors via Getty Images) Looking back on a year since most people in the United States became eligible for a COVID-19 vaccine, medical experts can celebrate a technological triumph while acknowledging unresolved challenges. Looking ahead, they see the same: Exciting technological potential, with obstacles that will require work beyond the lab. From a scientific…

(ina9/iStock via Getty Images) Lea en español In the beginning, the idea of environmental justice didn’t have a name. It didn’t have much support, either. A few years after the first Earth Day, a young sociologist named Robert Bullard gathered data for a 1979 lawsuit, filed by his then-wife, about a landfill planned for a…

(RubenPH/iStock via Getty Images) Anyone who has been on the receiving end of a dog’s love and devotion knows these furry friends are nothing if not good for our hearts. There’s plenty of research to show that’s more than a warm, fuzzy feeling. Studies show dog ownership benefits heart health by reducing social isolation, helping…

(MoMo Productions/DigitalVision via Getty Images) Lea en español So you put on extra pounds during the pandemic. And your cholesterol’s too high. And maybe you need to do a better job managing blood pressure. It can feel like a lot to tackle. But taking that first step toward better health can be as easy as…

(Liudmila Chernetska/iStock via Getty Images) For more than two years, COVID-19’s direct harm has been visible in overflowing intensive care wards and grim statistics. Now, some of its indirect effects are coming into focus. Studies are linking the pandemic to higher rates of fatal heart disease and stroke, deaths from addiction-related problems and more. The…

(barmalini/iStock via Getty Images) Eating at least one avocado each week may lower the risk of developing heart disease, new research suggests. The study, published Wednesday in the Journal of the American Heart Association, found those who regularly ate avocados had a lower risk for heart disease than people who rarely ate the popular fruit….

Examples of mammograms showing breast arterial calcification. (Photo courtesy Circulation: Cardiovascular Imaging) Routine mammograms used to screen for breast cancer also could help identify postmenopausal women at higher risk for heart attacks or strokes, a new study suggests. Researchers found that breast arterial calcification, which commonly appears as white spots on breast images and indicates…

(tbralnina/iStock, Getty Images) A balanced diet that includes protein from a variety of sources may lower the risk for developing high blood pressure, new research from China finds. The study, published Thursday in the American Heart Association journal Hypertension, found that Chinese adults whose diets included the greatest variety of protein sources had a substantially…

(whilerests/iStock, Getty Images) People hospitalized with COVID-19 were up to twice as likely to die or be critically sick if they also had congenital heart defects, new research finds. People born with heart defects also had a higher risk of needing a ventilator or being treated in the intensive care unit than people without heart…