All Sauce from Weekly Sauce:

Do you wonder if you’ve been exposed to the new coronavirus in the recent past? Good luck finding out for sure: A new review finds there’s little good evidence of the accuracy of blood antibody tests for COVID-19, especially those performed outside a lab. The new findings “indicate important weaknesses in the evidence on COVID-19…  read on >

If you plan to celebrate Independence Day, you might want to reconsider setting off fireworks, Prevent Blindness suggests. There are other, safer ways to mark the United States of America’s birthday, according to the nonprofit eye health and safety group. It noted that thousands of Americans are injured by fireworks each year, especially around July…  read on >

A blood test may predict which COVID-19 patients are likely to need a ventilator. This finding could lead to a scoring system that would flag at-risk patients for closer monitoring and to personalized treatments. It may also help explain how diabetes makes outcomes worse, according to researchers from the University of Virginia School of Medicine.…  read on >

Almost overnight, the pandemic has turned cotton masks into an American wardrobe staple. But a coughing simulation shows that not all cotton masks are equal as a defense against COVID-19. “We focused primarily on nonmedical-grade masks that are recommended for use by the wider public,” said lead author Siddhartha Verma. He’s an assistant professor at…  read on >

For those who try to catch up on lost sleep during the weekend, French researchers have some bad news: Once Saturday and Sunday have come and gone, many will find they’re still seriously short on sleep. The finding centered on adults who regularly get only six hours of sleep or less on weekdays. That’s far…  read on >

Swimming and summer are practically synonymous, but getting sick from bacteria in lakes, rivers and the ocean can spoil the fun, U.S. health officials warn. Since 2009, nearly 120 disease outbreaks in 31 states have been tied to untreated recreational water. But being aware of potential harms and taking precautions can help keep you healthy…  read on >

Since the coronavirus pandemic arrived on U.S. shores in March, the number of calls to emergency medical services has fallen by more than 26% compared to the last two years, a new study finds. At the same time, the number of EMS calls to homes where people have died has doubled, researchers say. “The public…  read on >