This image provided by Novo Nordisk in January 2023 shows packaging for the company's Wegovy medication. The popular weight-loss drug can now be used to reduce the risk of stroke, heart attacks and other serious cardiovascular problems in patients who are overweight or who have obesity, the Food and Drug Administration said Friday. Novo Nordisk via AP hide caption
"There's a certain notion that e-cigarettes are harmless," says Dr. Paul Ndunda, an assistant professor at the School of Medicine at the University of Kansas in Wichita. "But ... while they're less harmful than normal cigarettes, their use still comes with risks." RyanJLane/Getty Images hide caption
Daily low-dose aspirin can be of help to older people with an elevated risk for a heart attack. But for healthy older people, the risk outweighs the benefit. Bruno Ehrs/Getty Images hide caption
Drew Calver, a high school history teacher and swim coach in Austin, Texas, had a heart attack at his home on April 2, 2017. A neighbor rushed him to the nearby emergency room at St. David's Medical Center, which wasn't in the school district's health plan. Callie Richmond/KHN hide caption
Drew Calver, a high school history teacher and swim coach in Austin, Texas, had a heart attack at his home on April 2, 2017. A neighbor rushed him to the nearby emergency room at St. David's Medical Center, which wasn't in the school district's health plan. Callie Richmond/KHN hide caption
The body's under a lot of stress during a bout of flu, doctors say. Inflammation is up and oxygen levels and blood pressure can drop. These changes can lead to an increased risk of forming blood clots in the vessels that serve the heart. laflor/Getty Images hide caption
Drones carrying automated external defibrillators got to the sites of previous cardiac arrest cases faster than ambulances had, according to test runs conducted by Swedish researchers. Andreas Claesson/Courtesy of FlyPulse hide caption
Doctors have known for a long time that alcohol consumption can cause heart problems. Researchers in Germany used the Oktoberfest beer festival to link binge drinking to abnormal heart rhythms. Dan Herrick/Lonely Planet Images/Getty Images hide caption
Exercise physiologist Courtney Conners checks Mario Oikonomides' vital signs before his cardiac rehab workout at the University of Virginia Health System clinic. Francis Ying/Kaiser Health News hide caption
Tracy Solomon Clark didn't realize that the shortness of breath and dizziness she felt at age 44 was actually serious heart disease. Benjamin Brian Morris for NPR hide caption
Lipitor (atorvastain calcium) tablets made by Pfizer. PAUL J. RICHARDS/AFP/Getty Images hide caption
Researchers say poor sleep quality, too much sleep and too little sleep all play a role in heart health. iStockphoto hide caption
Michael Arnott, of Cambridge, Mass., says he used to have trouble staying awake on long drives. Sleep specialists discovered he has obstructive sleep apnea, though not for the most common reasons — he isn't overweight, and doesn't smoke or take sedatives. M. Scott Brauer for NPR hide caption
A Stanford University study explored the medical records of millions of people looking for patterns. People taking proton-pump inhibitors for chronic heartburn seemed to be at somewhat higher risk of having a heart attack than people not taking the pills. IStockphoto hide caption
Brazil fans in Rio de Janeiro watch in horror as Germany routs the home team in the World Cup semifinal match played Tuesday. Mario Tama/Getty Images hide caption
Some men take testosterone hoping to boost energy and libido, or to build strength. But at what risk? iStockphoto hide caption
There's been great progress in treating heart disease, but it remains the top killer in the U.S. iStockphoto.com hide caption
Aspirin has been prescribed for decades as a simple way to reduce heart disease risk, but doctors still aren't sure how it works. iStockphoto.com hide caption
Insomnia, feeling isolated, and bursts of anger are symptoms of the anxiety disorder known as PTSD. iStockphoto.com hide caption