People plagued by frequent nightmares may find relief from hearing a specific sound as they sleep, a new, small study suggests. It’s estimated that about 4% of adults have nightmares that are frequent and distressing enough to impair their sleep and daily functioning. In some cases, the nightmares are related to an underlying condition, like…  read on >  read on >

A particular brain wave may help diagnose concussions in high school football players and predict when it’s safe for them to return to play, new research suggests. Delta waves are markers of brain injury and perhaps healing. They tend to decrease with age, but researchers found increased levels of these low-frequency waves in the brains…  read on >  read on >

While monkeypox cases are declining in the United States, a new government report shows that patients with weakened immune systems, especially those living with HIV, have been hit particularly hard by the virus. Even after taking antiviral medication for monkeypox, those with untreated HIV were more likely to end up in the hospital, the researchers…  read on >  read on >

When someone collapses in front of witnesses, the chances of receiving potentially lifesaving CPR may partly depend on the color of their skin, a new study suggests. Researchers found that when Black and Hispanic Americans suffer cardiac arrest, they are up to 37% less likely than white people to receive bystander CPR in public places…  read on >  read on >

People at risk for developing diabetes could help themselves now by eating fewer carbs, according to new research. While low-carb diets are a common next step for someone diagnosed with the disease, people who are prediabetic or with diabetes not treated with medication don’t need to wait to cut back and see benefits to their…  read on >  read on >

The best way to get back to feeling more normal after breast cancer surgery is to get moving, experts say. One surgeon offers some post-surgery suggestions for arm stretches and light aerobic exercise. “People who return to everyday activity sooner after surgery tend to heal better and have fewer complications,” said Dr. Alastair Thompson, section…  read on >  read on >

Perhaps to no one’s surprise, new research has determined that men do, in fact, have a much stronger sex drive than women. After reviewing more than 200 studies, investigators “found that men consistently report a higher sex drive,” said study author Julius Frankenbach, a doctoral student of psychology at Saarland University in Saarbrücken, Germany. En…  read on >  read on >