WEDNESDAY, July 1, 2020 -- 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 Florida Atlantic University's Department of Ocean and Mechanical Engineering.
WEDNESDAY, July 1, 2020 -- 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.
WEDNESDAY, July 1, 2020 -- Cardiologist Dr. Willie Lawrence remains haunted by the memory of police shooting his best friend during a 1966 race riot in Cleveland.
"I saw my best friend shot in the back and the leg by police. I saw his sister shot five times. I witnessed all that, and that impacted me for the rest of my life," said Lawrence, chief of cardiology at HCA Midwest Health's Research Medical Center in Kansas City, Mo.
WEDNESDAY, July 1, 2020 -- 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 4th.
WEDNESDAY, July 1, 2020 -- Scientists are reporting an early step toward an HIV drug that could potentially be taken only a couple of times per year.
A single injection of the experimental drug, called lenacapavir, was able to lower blood levels of HIV in a small group of patients. And it was capable of maintaining active levels in the blood for more than six months.
WEDNESDAY, July 1 , 2020 -- Back pain plagues many Americans, and new research shows that doctors are doling out muscle relaxant prescriptions to treat the pain -- often along with an opioid painkiller.
Experts worry that muscle relaxants may not help much and could cause troubling side effects, especially in older patients.
WEDNESDAY, July 1, 2020 (American Heart Association News) -- Unwinding with a glass of wine or a "quarantini" might seem like a good way to cope with the stress of the COVID-19 pandemic. But for some people, too much alcohol is making the ongoing health crisis worse.
"There are data to indicate people are drinking more than usual," said Dr. Mariann Piano, a substance abuse researcher. "And there's no question that drinking too much every day leads to an increase in health risks."
WEDNESDAY, July 1, 2020 -- Many soldiers experience traumas on the battlefield that leave them emotionally wounded, but something as simple as walking a dog might bring these veterans desperately needed psychic relief.
So suggests a new study where researchers compared how four weeks of walking with a shelter dog or with another person affected three biomarkers of stress in male and female veterans with post-traumatic stress disorder (PTSD).
WEDNESDAY, July 1, 2020 -- Americans began to travel less before states started to issue stay-at-home orders, and that may have curbed coronavirus case numbers, a new study suggests.
"Our results strongly support the conclusion that social distancing played a crucial role in the reduction of case growth rates in multiple U.S. counties during March and April, and is therefore an effective mitigation policy for COVID-19 in the USA," said study author Lauren Gardner, from Johns Hopkins University in Baltimore.