Here’s some reassuring news for those who wonder whether face masks really work: New research shows a face covering can block 99.9% of respiratory droplets when a person speaks or coughs, significantly lowering the risk of coronavirus transmission. Researchers at the University of Edinburgh in the United Kingdom conducted tests with people and with a…  read on >

As the race to develop a safe and effective coronavirus vaccine unfolds around the globe, experts say the sheer logistics of vaccinating the masses might be even more daunting. “The challenge we face now is really the largest and most complex mass vaccination program we’ve ever attempted,” Dr. Kelly Moore, associate director for immunization education…  read on >

Amid the COVID-19 pandemic, a new U.S. study serves as a reminder of how severe the seasonal flu can be. Researchers found that among 90,000 Americans hospitalized with the flu, 12% had a serious heart complication, including heart attack and sudden heart failure. Many ended up in the intensive care unit, and 7% died in…  read on >

Scientists worldwide are racing to test and manufacture one or more coronavirus vaccines. But once a vaccine is proven safe and effective, one big question remains: How do you persuade everyone to take it? Health experts have reason to worry. Less than half of all American adults say they plan to get a COVID-19 vaccine…  read on >

Nearly 6 in 10 people who suffered an out-of-hospital cardiac arrest sought medical help in the previous two weeks, a new study finds. Cardiac arrest is fatal within minutes if untreated, and less than 10% of victims survive. “The high mortality from cardiac arrest in the community emphasizes the need to identify those at risk,”…  read on >

If you have hypertension and you’re depressed, don’t blame your blood pressure drugs. Although previous research hinted there might be a connection between high blood pressure medications and depression, a new study of dozens of commonly used drugs found no such link. In fact, the Danish researchers found the opposite — nine blood pressure drugs…  read on >

Smokers with the most common type of heart rhythm disorder can reduce their risk of stroke and death by giving up cigarettes, a new study says. “Smoking precipitates blood clots that could lead to a stroke, which may be why giving up lowers risk,” said study author So-Ryoung Lee of Seoul National University Hospital in…  read on >

It may seem like a paradox, but giving someone a gift to help them save money is a sure way to make them hate it. The reason: It will make the recipient feel inferior to you, researchers say. In contrast, a gift that helps a recipient save time is taken as a compliment. The findings,…  read on >